Question about 1991 Chevrolet Corsica

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Cranks but will not start but getting fuel to engine

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Are you getting the right amount of pressure at the fuel rail? I believe it is 40 to 47 lbs. Anything below this your pump is bad.
Also did you check for spark? You can do this with a screw driver, pull a plug wire insert the screwdriver in the wire set it close to the engine, but not touching. crank the engine and watch for a spark. Be carefull not to touch the screwdriver as it is being cranked, because it will bite you.
Let me know And we can go from there.
Randy

Posted on Nov 09, 2010

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Posted on Jan 02, 2017

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2005 - Nissan X-TRAIL - WONT START It was fine but low on fuel,Can someone plz help it now has half a tank of fuel in it and I've tried to start it pump the gas, it's like it's not getting any fuel?


Hi Annais, The links below are two short youtube videos that shows how to fix a car that doesn't start, The 1st link is a car that won't crank over and the 2nd link is a car that cranks over but won't start...CHEERS..https://www.youtube.com/watch?v=TSE0fOrujW0https://www.youtube.com/watch?v=064Ilsz8Fzg

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Hi, if the engine cranks over normally when you attempt to start you car, but the engine does not start, the problem may be NO FUEL, NO SPARK or NO COMPRESSION. The engine needs adequate fuel pressure, a properly timed spark and normal compression to start.

To find why the engine won't start, remove the air inlet tube from the throttle body, push the throttle open and spray a small amount of aerosol starting fluid into the engine. Crank the engine. IF it has spark and compression but NO FUEL, it will start and run a few seconds before dying. If it does NOT start, it probably has NO SPARK.

Another method to check for spark is to pull a spark plug wire off of a spark plug (if it has plug wires, coil-on-plug ignitions do not) and place the open end of the plug wire near a metal surface on the engine. Have a helper crank the engine while you watch for a spark. DO NOT hold the wire while doing this as it can shock you. If you see a spark, the problem is not spark, but most likely NO FUEL or NO COMPRESSION. If you do not see a spark, the problem is in the IGNITION CIRCUIT.

Proper fuel pressure is critical for fuel injected engines to start and run. You should hear the fuel pump inside the fuel tank buzz for a couple of seconds when the ignition is turned on (no buzz means the pump is not running and the engine is not getting fuel). You can smell the tailpipe for gasoline vapors after cranking the engine. If you smell gas, the problem is likely not fuel but NO SPARK. You can also remove the plastic cap and press the schraeder valve test fitting on the fuel rail to see if there is any fuel pressure to the engine (not a very accurate test because fuel pressure must be at a certain level for the engine to start, for that you need a gauge). Even so, no fuel at the fuel rail would tell you fuel is not getting to the engine.

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Car isnt starting. Getting fuel and spark. just changed the crank sensor. Still nothing. What is wrong?


need to know model year and what engine you have as well as the fault codes you had that made you decide to change the crank sensor? u can't be getting fuel and spark and not have the engine start unless the engine is out of time (defective timing chain) or the fuel injectors are not delivering fuel to the cylinders,u can test the fuel injectors for proper operation by use of a $5 tool called a NOID light, it plugs into the injector electrical connector and blinks when the engine is cranked.

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My vw will crank but will not start running i


Hi,


If the engine cranks over normally when you attempt to start you car, but the engine does not start, the problem may be NO FUEL, NO SPARK or NO COMPRESSION. The engine needs adequate fuel pressure, a properly timed spark and normal compression to start.


1) To find why the engine won't start, remove the air inlet tube from the throttle body, push the throttle open and spray a small amount of aerosol starting fluid into the engine. Crank the engine. If it has spark and compression but NO FUEL, it will start and run a few seconds before dying. If it does NOT start, it probably has NO SPARK.

2)Another method to check for spark is to pull a spark plug wire off of a spark plug (if it has plug wires, coil-on-plug ignitions do not) and place the open end of the plug wire near a metal surface on the engine. Have a helper crank the engine while you watch for a spark. DO NOT hold the wire while doing this as it can shock you. If you see a spark, the problem is not spark, but most likely NO FUEL or NO COMPRESSION. If you do not see a spark, the problem is in the IGNITION CIRCUIT.

3)Proper fuel pressure is critical for fuel injected engines to start and run. You should hear the fuel pump inside the fuel tank buzz for a couple of seconds when the ignition is turned on (no buzz means the pump is not running and the engine is not getting fuel). You can smell the tailpipe for gasoline vapors after cranking the engine. If you smell gas, the problem is likely not fuel but NO SPARK. You can also remove the plastic cap and press the Schroeder valve test fitting on the fuel rail to see if there is any fuel pressure to the engine (not a very accurate test because fuel pressure must be at a certain level for the engine to start, for that you need a gauge). Even so, no fuel at the fuel rail would tell you fuel is not getting to the engine.


Thank you!!

Jun 30, 2010 | 2001 Volkswagen Passat

1 Answer

Wont start


The fuel pump jump started? The fuel pump relay is in the dashboard relay center. The fuel pump is inside the fuel tank. The pumps do fail entirely nd the fuel pump should make some sound if it's running. The fuel filter is on the firewall on the drivers side. It has a bleeder screw in the top of the bnjo bolt that holds the fuel line onto the filter. Loosening this bolt should release fuel pressure. With the bolt loose try to get the pump running ( knock on the relay, fuel tank, while cranking the engine) if fuel flows the engine should run if you don't have other problems. Low battery will crank the engine but not turn on the fuel pump and or the injection system and even the ingtion system. It may still crank and sound OK. Voltmeter the battery with the engine cranking, Less that 10 volts it's unlikly to start. John

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2 Answers

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Engine cranks but won't start


Check the fuses/relays for the fuel pump and make sure you are getting gas to the fuel injectors. Also check your fuel filter....if it is clogged it could be stopping the gas from getting to the injectors....good luck

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3 Answers

"Cranks, but won't start". Replaced fuel pump, CKP, ICM & nothing


If the engine cranks over normally when you attempt to start you car, but the engine does not start, the problem may be NO FUEL, NO SPARK or NO COMPRESSION. The engine needs adequate fuel pressure, a properly timed spark and normal compression to start.


1) To find why the engine won't start, remove the air inlet tube from the throttle body, push the throttle open and spray a small amount of aerosol starting fluid into the engine. Crank the engine. If it has spark and compression but NO FUEL, it will start and run a few seconds before dying. If it does NOT start, it probably has NO SPARK.

2)Another method to check for spark is to pull a spark plug wire off of a spark plug (if it has plug wires, coil-on-plug ignitions do not) and place the open end of the plug wire near a metal surface on the engine. Have a helper crank the engine while you watch for a spark. DO NOT hold the wire while doing this as it can shock you. If you see a spark, the problem is not spark, but most likely NO FUEL or NO COMPRESSION. If you do not see a spark, the problem is in the IGNITION CIRCUIT.

3)Proper fuel pressure is critical for fuel injected engines to start and run. You should hear the fuel pump inside the fuel tank buzz for a couple of seconds when the ignition is turned on (no buzz means the pump is not running and the engine is not getting fuel). You can smell the tailpipe for gasoline vapors after cranking the engine. If you smell gas, the problem is likely not fuel but NO SPARK. You can also remove the plastic cap and press the schraeder valve test fitting on the fuel rail to see if there is any fuel pressure to the engine (not a very accurate test because fuel pressure must be at a certain level for the engine to start, for that you need a gauge). Even so, no fuel at the fuel rail would tell you fuel is not getting to the engine..

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Have you done a leak down test on the fuel pump? If the pump check valve doesn't hold pressure the fuel drains back to the fuel tank, then you have prime the lines with fuel before any is delivered to the injectors, hence a long crank time. Install a fuel pressure guage and start the engine, then turn off the engine and wait overnightm the system should not loose more than 5 PSI

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