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Fuel and Engines
Total questions 13400
How do you fix a multiple cylinder misfire?
My P0300 code has been determined to be caused by low compression in 2 cylinders: due to burnt valves. I had this same...
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Why did the measurement of engines change from cubic inches to litres?
This was done to bring USA into line with the rest of the world who have always measured engine size by the metric system. This...
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How do you know if a car's engine is in good shape?
1-Compression test. This tests the state of the 'bottom half' of the engine and the valves and seats. All cylinders should should...
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Is revving a car engine bad for it?
yes reving a car or any engine with valves can mess up the engine you can crack a piston or cylender block by the engine heating...
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How many cubic inches in a liter?
1 liter = 61.0237441 cubic inches
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What happens if you crank the engine for almost 2 seconds while the car is already on?
It can fry the starter,also damage other electric components! nothing i wouldnt worry about it unless you do it for a minute...
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Why would there be water in the engine block?
If your oil looks watery and milky, you more than likely have a blown head. Get it checked -- you actually could do more damage...
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Can you adjust the RPM on your engine yourself?
Why would you want to? It is computer controlled, so I don't see how you could. Well, there are a couple of things I can...
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Is there inexpensive way to check for leaks in the intake manifold?
Yes, while the engine is running (in park) spray gumout/carb cleaner along the egdes of the intake. If the motor runs smoother or...
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What causes the engine to sputter?
Start of with the maintenance items: Tune up parts-cap, rotor, plugs, fuel filter, air filter, pcv, wires. The plug condition...
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What is involved in a complete engine overhaul?
I'm no mechanic, but from what I've read in my Hayne's Repair Manual, a complete engine overhaul involves replacing piston rings,...
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What is the purpose of a car valves and what is the difference between a 12 valve and a 16 valve engine?
Close one hole of your nose and try to breath in. Feel any difference. Coming back to the subject. By increasing the # of valves...
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What is the best engine treatment?
Stop inserting advertising here. Engine additives will generally not be of any benefit. Your best engine treatment is to change...
Popularity: 133 • Tools: Recategorize
What causes a car to shake at low speeds?
Well, You'll have to probably spend a littlemoney to find out, but I can give the typical causes and things you can check...
Popularity: 129 • Tools: Recategorize
Why would the acceleration fluctuate?
Possible coolant sensor or O2 sensor, among other possibilities. If a sensor is bad, it will tell the computer to make an...
Popularity: 122 • Tools: Recategorize
What would cause a car not to be getting any gas even after replacing the fuel filter and fuel pump?
The gas tank could be empty or if it has gas there could be trash in the tank causing the gas line to get stopped up; therefore,...
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What is check engine code 35?
this answer is out of the haynes code book. code 35 idle air control valve or cicuit. Or idle speed control switch or...
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Is running out of gas bad for a car?
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Can the fuel injector cause a car to die?
Yes, This sounds exactly like what my 97 geo metro was doing. I replaced the fuel filter(thinking that was the problem, obviously...
Popularity: 107 • Tools: Recategorize
Is it normal for an engine to idle at 1000 rpm?
No, it is not normal for a newer car to idle and shake rough. I have had the same problem with my car and all it required was a...
Popularity: 106 • Tools: Recategorize
How do you stop the engine from dieseling?
let it cool down a bit before shutting it down,and or tune up. check timing Your engine may be running too rich. Has your gas...
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Can there be an antifreeze leak from the intake manifold but not any antifreeze mixed in with the engine oil?
there can be a leak from the intake manifold without any antifreeze mixing with your oil, i personally experienced this problem...
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Why would a car sometimes die when making a right turn?
Thanks It Sounds like it has a corrupted moral sensor on the right side. Now that I have been informed that this is a real...
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How do you go about removing a 4 wheel drive transmission?
Be warned that 4WD trannys/t-cases are very heavy and may require two people to get it out. Set the vehicle on jack stands or...
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Why would an engine to turn over but not start?
Check all the plugs most of time one of the points is not making contact and no spark will hit on newer vehicles if all cylinders...
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How do you fix a rocker arm if it is loose or broken in your car?
Your best bet is to buy the manual. There are multiple ways of adjusting rockers and it depends on the vehicle. Your loose rocker...
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What should you do if you put too much oil in the engine and smoke is coming from the exhaust?
Here are suggestions from FAQ Farmers: Let some of the oil out from the pan and remeasure it and add enough oil to get it to...
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What can you do if a new engine has an idle speed at 500rpm that's steady but not right?
Review the data for the vehicle online at a free information site, like the troubleshooting at autozone's site, or buy a manual...
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What happens if you accidently put petrol into a diesel car?
If you put some petrol in a diesel tank it shouldn't do too much, as long as it's not a whole lot. Truck drivers used to put some...
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What is the firing order for a 1987 2.3L?
1-2-4-3 Or: http://autorepair.about.com/od/enginefiringorders1/
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What would cause loud engine knocking for a few minutes only when the engine is cold?
Is there any smoke when you first start it? what is happening is the valve seals are probably worn and letting the oil seep past...
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What engines can you use in place of a D15Z4 without changing wiring ECU etc?
You can use any d15 series motor as long as it is not vtec. But also it isnt to expensive to switch to a d15b vtec motor you just...
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How do you replace the water pump on a 1999 Chevy Tahoe?
not been able to remove fan from water pump. dont know if it takes special tool to do this or what? Some parts stores have a...
Popularity: 80 • Tools: Recategorize
How do you replace vacuum lines?
Pull em off and put in new ones.
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Why won't the car start unless the hood is banged and now it doesn't start at all?
sound to me like maybe the battery cables are loose, or maybe the cable going to the starter is loose. maybe possible a bad...
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Is it possible for you to start your car if the heating coil is not working?
Yes, but there may be blockage in the cooling system which could cause your car to overheat.
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If you just had a new muffler installed and now the car won't start when it ran fine before what could be wrong?
Do you have a modern car equipped with a computer? Somtimes if a car is welded on and the - battery cable isn't disconnected, it...
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After changing the water pump why wouldn't you be able to get the water to run through the engine?
Bad new water pump, thermostat installed upside down, hoses reversed, slipping water pump belt, system needs bleeding and has an...
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After changing sending unit gauge oil pump why would engine oil pressure suddenly drop completely while cruising or coasting a 1985 Ford 351w?
Ford gauges are always suspect. Never trust OEM gauges, especially older ones. It may be a bad ground somewhere along the line,...
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Will vortec heads of a 350 fit onto a pre-1994 block?
Popularity: 72 • Tools: Recategorize
How do you take the pulley off a power steering pump?
It must be pressed off. You then press it on the new pump. Special tools are required. Some auto parts stores will rent the tool...
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How do you install a fuel tank breather?
easy way is to drill a 1/16 hole in the middle of your gas cap
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Where is the transmission dipstick hole located on a 1996 transmission?
It's small, only an inch across so look hard. FRONT Wheel Drive: Check to the sides of your engine. REAR Wheel Drive: Check in...
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How many cc does a 12 valve engine have?
Well that really depends on the size of the engine. All 12 valve engines are not the same size. Small engines are measure in cc....
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Where is the safety shut off switch on a 1997 Mazda 626?
the shut off switch should be in the trunk left side near the outer left taillight.
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How much does a complete FWD 3.1L V6 Chevy engine weight?
IT SHOULD WEIGH APROX 300-350 LBS
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What are the torque specifications for the valve springs after replacing the oil seals?
Valve springs are not torqued they have no bolts on them at all, they are held in place by keepers that fit into the notches on...
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What is a cam sensor and how do you know when it is going bad and where would you look for it?
The cam sensor tells the computer where your cam is in it's rotation. The info is used to determine spark timing and fuel...
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How can you tell which pulley goes to what part of the engine if nothing is marked with what the pulleys are called?
I would take the pulleys to the dealer parts department and ask them. You will need to know the type of engine and what...
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Where is the V6 3800 motor made?
for GM's 3800 series II engine there were only 2 plants. canada and ohio. look at your RPO code located on your driver's side...
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Where is the No. 2 cylinder on a 1995 GMC Vortex V6 engine?
the no.2 cyliner in the first one on the pass. side
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How will a car act if the plugs are bad or it has throttle body problems?
if you have fouled sparkplugs then the car will hesitate when you accelerate, seeming to 'miss' a step or two. if it's a clogged...
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How do you identify the broken motor mount?
I would say 1st locate motor mounts.if it is rear wheel drive they should be too the right & left of engine .If it is a front...
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What would make a grinding sound underneath the car when the car is running?
check the U joints in the drive shaft
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What would cause the clutch to press to the ground and the car will not go into gear without extreme force?
check your clutch fluid...i had the same problem on my s-10. if your clutch fluid is low fill it up with either clutch fluid or...
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What could cause a hesitation at 1700 to 2100 rpm?
Start by checking the EGR system.
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Where is the PCV valve on a 97 Nissan ka24 engine?
right behind the alternator on the truck and in the intake by the aac valve on a stanza ang axxess
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What causes a gasket to blow?
Defective gasket, poor installation, warped head, heat. Heat is the major cause.
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Where can you find a diagram to replace the drive belt on a 1987 GMC 454 engine?
Go to www.autozone.com and click on repair info and enter in car info and then click on repair manuals and a manual for your...
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Is there a Fuel shut off on a 98 tahoe?
Yes, there should be one.
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How do you bring a motor to top dead center?
Top dead center is when the #1 cylinder piston at the top of its stroke just after the compression stroke. This is when the #1...
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What is the proper spark plug gap for a 350 92 chevy silverado?
The proper plug gap is .035" or thirty five thousanths.
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Will you be OK if you put 1 gallon of diesel in your car then dilute it with 13 gallons of unleaded?
Obviously I wouldn't recommend the reverse but if your car is running without any apparent problems than just run it dry and put...
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How do you repair a fuel leak on a Dodge 3.5 V6 fuel injector system?
Depends on where the leak is.
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What could be the problem when you find yourself adding a lot of oil to your car weekly?
There is aleak somewhere: Look under the car for signs of oil leaks. Look in the engine compartment to see if you see fresh...
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What happens if petrol is put in a diesel car?
It does depend on the make and model of the car but most common symtoms when this is done are as follows. 1)The vehicle will...
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How do you replace the thermostat located on a Mercury Topaz?
Assuming it is a four cylinder 2.3Litre It's realitivlymeast A 10mm ratchet wrench and a 10mm socket and handle Remove air...
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How do you change freeze plugs on the engine?
Can a freeze plug be changed in the driveway? Yes & No. You may have a hard time even getting to the plug, and then being able to...
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What are the possible problems you would have if you removed the governor from your car?
Too much speed puts more stress on all the parts. You are making the car work harder and it may not be up to the task. Sure, most...
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If you put in a chip in your 2000 F350 V10 will that improve gas mileage and by how much?
most likely not. v-10 keep this in mind. city driving is the worst on this engine. 2 more cylinders sucking fuel all the time....
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How do you change a fuel pump on a 1995 Chrysler Cirrus v6 2.5 engine?
You must drop the front of the Fuel tank down to get to it. This Fuel fiter is not cheap! About $20 bucks @ your local parts...
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What is the torque for the intake bolts on a 1970 Boss 302 516 38?
Depends on the diameter of your intake bolts. For 5/16" bolts torque is 23-25 ft lbs, 3/8" bolts are 28-32 ft lbs, and the 1/4"...
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What do you do if the fuel leaked and ripped up the hoses in your car?
Put on new hoses.
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What is the best way to use a car engine if one knows what its maximum power and torque are at various RPMs?
The best way to use an engine is to NOT run the rpm unnecessarily high and to NOT "lug" the engine by running it at too low an...
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What cable do you connect first when installing a battery in a car?
Always remember this rule. To take off_ Negatice first To put on, Positive first.(Red One)
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How do you disable a 1994 Acura Legend anti-theft system for good if it goes off too frequently?
take the fuse out
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What can you do if you've got fuel and fire its turning over but the car won't start?
If you're sure you've got fuel and ignition, the only other issue would be timing...you have to have them in the same place at...
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Is there a way to distinguish a crack in an engine block versus a defective head gasket through palpable differences in vehicle performance?
THERE IS NO REAL WAY TO TELL FROM DRIVEABILITY ALONE. BOTH PROBLEMS WILL CREATE LOSS OF COOLANT AND CREATE STEAM FROM THE...
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What happens when you put in diesel fuel instead of regular unleaded gasoline?
The answer to the question of: "What happens when you put in diesel gas instead of regular unleaded?" is this... Diesel fuel...
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How often should synthetic oil be changed?
Always follow the recommended oil change intervals in your owners manual (synthetic or not.) ANSWER The automotive manufacturer...
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How much damage has been done if diesel was put into a petrol Astra Coupe and it was driven about 15 miles and now won't start?
No engine damage. The problem is that the spark plugs won't ignite the diesel fuel. If you can drain all of the fuel lines, most...
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What is the fuse box layout in the 1992 Aerostar What numbers attatch to?
AEROSTAR FUSE BOX DIAGRAM NEAR PARKING BRAKE x # 1 x X # 2 X x # 4 x ...
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How much to replace motor mounts?
haha we will let you know we are fixing to attempt this on a 92 grand prix from the looks of it you have to unbolt the bottom 2...
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What does 'fuel system open on computer device' mean?
I am not sure what your asking, but it sounds like your getting a fuel evaporative system leak. Meaning the system is no longer...
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How do you know or how can you check to see if your engine is gone bad?
check for blown head gasket do a compression test
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What do you do when your vehicle's gas tank gets filled with diesel instead with super unleaded as required by the car manufacturer?
If the amount of diesel is less than petrol, the engine might still run, but it will run poorly. If the diesel is above the...
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How do you make repairs when the analyzer detects 'lean bank 1'?
Replace bank one O2 sensor
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Will a 43 Vortex fit where a regular 43 was?
Yes. The base engine componants are the same. The differences are the intake and fuel delivery.
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How do you install fuel injectors?
Depends on the car... If you can see the injectors, you'll need to disconnect the wiring harnesses from the injectors......
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Can a car engine be used for a helicopter?
It is possible to use an automobile engine to power a helicopter, but the thing better be light (have an aluminum block and...
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What is under head tappet valve?
ive never heard it called that before , but i think we are talking about the early automotive engines that did not have valves in...
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Where is the Idle air control?
It is usually located under the throttle body. It is cylinder shape with a wire going into one end.
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How do you get the fan unbolted from the water pump on a Vortex V6?
Sorry, It takes a $40 tool to do this. The tool comes in two parts. One is a two prong tool with a slot at each end, this is...
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What is problem when car won't go into reverse?
Bad reverse clutch in the tranny
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Why would fuel not go into the fuel tank?
Check and ensure that you are not trying to put diesel in the vehicle, diesel nozzles are larger diameter to prevent accidentally...
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Why would a car idle too high?
A vacuume leak at the intake manifold or vacumme hose can cause a high idle. On carbuerated vehicles the idle adjustment screw...
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What are the torque specs for the rocker arms in a 4.3 v6 with pressed in rocker studs?
dfhn you have to get the piston to TDC you do this by removing the spark plugs and sticking a small screwdriver in the spark...
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How do you depressurize car gas lines?
You open the gas cap and this will depressurize the gas lines.
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How can you tune your carburated engine so that it idles higher?
Adjust the idle screw.
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What's wrong if your car won't shift into gear from park and also acts like it is in neutral after braking then trying to accelerate again?
Your transmission needs to be rebuilt or the fluid is gone.
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