Question about 2001 Saturn L-Series

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My car will not start it's firing and has gas..and i think it's compression but without a compression tester how can i know

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It is almost impossible to accurately measure compression without a gauge. They are a valuable tool to have and can be purchased at an auto parts store for around $20.

If the car just stopped working, it is probably not a compression issue. These cars have a timing chain and the components are very reliable. As long as it never ran out of oil I doubt that it is a compression issue.

I would fest the fuel pressure. Even if it smells like it is getting fuel, just a few PSI variation from what it should be will cause it to not start.

Posted on Sep 11, 2009


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I have a 2001 3.0 ford taurus compression on all cylinders less than 90 psi

The car should start, even with low compression in some cylinders. Since two things are needed for combustion, fuel and spark, you need to figure out which is the problem. Remove a spark plug (or buy a spark tester from harbor freight) and check for spark at the plug. Without a tester, simply attach the plug wire to the plug while removed from the engine and rest the base of the plug on the engine block (grounding it). Have someone turn the engine over with the key and observe if you see a hot spark jumping the gap of the plug.
Recommend you go to the library and borrow a copy of Chilton's for your car model.

Apr 08, 2015 | 2001 Ford Taurus

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Chevy troubleshooting

Spark, gas, and compression. And check timing. You've done the major work. Now you have to make sure you have done it right. By getting it running, you know. I'm pretty sure you can rent a fuel pressure tester and a cylinder compression tester at some national parts stores, Autozone or O'reillys, maybe others.
I don't understand your expression "...a little miss from bottom end" -an ignition miss, or a bottom skip or noise?

Start with checking ignition-a blue snapping spark-what you want to see at all cylinders. Then check that gas is getting into the cylinders. Fuel pressure and injector solenoid pulse. Then all you need after that is compression -good even compression in all cylinders-. Timing is right, spark timing is right, it should crank, er start.
Just one thing about compression, on a cold engine you're just looking for gross irregularities, you can't depend on the readings to be very accurate. A good compression test should be done on an engine at normal operating temperature. It gives a more accurate picture of your engine condition. As long as compression is over 100 psi per cylinder on a cold engine might be a general guideline, I suppose, but take that as only opinion, not fact..

Feb 19, 2014 | Chevrolet 1500 Cars & Trucks

1 Answer

94 Oldsmobile 88 Royale turns over, gets fire and gas but won't start

Crank position sensor...i have same car and that happened to me

Oct 14, 2012 | 1994 Oldsmobile 88

1 Answer

My car wont start,when i try 2 turn it over it makes a chhhhhhh noise,ive had the starter motor fixed so dont know what else it could be

Engine cranks normally, but it does not fire:
You turn the key to start and hear the starter motor crank the engine, but when you release the key, the cranking stops and there is silence. This means that the battery and starting motor are working properly, but the engine is not firing. If you continue cranking the engine over in this way, the battery will eventually run down and will need to be recharged, but the battery and starter are not the cause of your problem.
There are a number of causes for this type of no-start condition, the most common being that you are simply out of gas. Assuming that you have fuel in the tank, you will need to go through a series of tests to determine what is causing the problem. The testing procedure is as follows:---

Spark:---------An easy way to test for spark is with an inexpensive spark tester. This is a device that is readily available at most auto supply stores. You use it by simply holding it next to a spark plug wire. If you see the neon lamp flashing while someone cranks the engine, then you have spark and should move on to checking for fuel. If there is no spark, or a very weak spark, you will have to replace the spark plug or the coil pack.It has to be checked.

First step here is to listen for the fuel pump running inside the gas tank. When you turn the key to run, you should easily hear the pump come on, run for a few seconds to build fuel pressure, then turn off. If you do not hear it, it could mean that the fuel pump or circuitry is bad. (Fuel pump failure is a common problem).

Fuel injected cars are very sensitive to proper fuel pressure. If the pressure is off, even by a few pounds, it will cause noticeable performance problems, or a no-start condition. To check for proper fuel pressure, you will need a fuel pressure gauge that is suitable for your type of system.Or you can also get the fuel pressure tested at local car garage,If fuel pressure is low then its a fuel pump and fuel filter related problem.


If you know that you have spark and fuel, the next step is to check for compression. For this, you will need a mechanic's grade compression tester that will screw into a spark plug hole. You will need to remove the spark plugs and use the compression tester to test the compression on each cylinder. If the compression is very low on all cylinders, that is a sure sign that the timing belt (or timing chain depending on the engine) has failed and will have to be replaced.


This troubleshooting will let you know the problem.Thanks.

Dec 08, 2010 | 1999 Ford Escort

1 Answer

My 1995 Saturn sl1 engine just won't start ...I'm getting spark and gas and the engine is turning over it just doesn't want to start please help thanks

Engines need three things to run, spark, fuel, compression, all at the right time. If your fuel pressure is good and you have spark then that leaves compression. Before you bother with a compression test first try to spray starter fluid in the intake to see if it will start on that. If it starts, it will die after it burns the fluid but at least you'll know the engine is good and you have a fuel delivery issue. If it won't start on the fluid then you need to do a compression test. You can get a compression tester from any auto parts store (I think even Wal-mart sells them) and follow the directions on the tester to do the test. Write down the results and post them here.

Nov 17, 2010 | 1995 Saturn Sl

1 Answer

Engine turns over but won't fire up. Relaced plugs, plug wire, dist cap and rotor. Still nothing. What should I look for next?

you're changing parts for nothing here, you need a spark tester(in line works best) injector signal tester(noid light) fuel pressure guage, and in a pinch compression guage, spark, fuel, compression, no engine will run without all three

May 29, 2010 | 1995 Nissan Altima

1 Answer

1995 saturn 1.9 single head cam can not get to start has fire has gas has 44lb gas pressure timing belt is good what could it be?

There is no timing belt on a Saturn S-series, only a timing chain which you cannot see. You are possibly talking about the serpentine belt for the accessories.

It is possible that you need to replace your Engine Coolant Temperature Sensor needs to be replaced if it hasn't before. Check the connector as well for gunk and replace that too if needed.

The only other thing you don't know you have which is one of the 3 required things for combustion is compression, which is verified with a compression tester. That is a long shot but a possibility for a problem.

Feb 01, 2010 | 1995 Saturn Sl

1 Answer

Wont start getting fire and fuel it just runs over til the batter dies

ok since you didn't give alot of information like the year and the engine
i'm going to assume that it is fuel injected
i know you said it is getting fuel did you check the fuel pressure
i know you said it has fire did you use a spark tester it may have spark but not enough to fire a spark tester
and if all that is ok fuel pressure and it will fire a spark tester then check the compression
next time the more information you can give the better chance we have of helping you

Nov 11, 2009 | GMC Yukon Cars & Trucks

1 Answer

One clinder not firing

gas spark compression that great get that valve cover remove its a rocker that came off let me know pierre

Jul 11, 2008 | 1995 Pontiac Sunfire

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