Question about 2001 Subaru Impreza

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The car turns over, has spark and fuel but will not start, I can hear the fuel pump and fuel gets to the engine compartment, pulled plug wire and spark is there. Cranks and cranks but no start

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  • aponapart Apr 01, 2013

    In my case is not like that .........its the opposit of what you suggest ........no fuel and spark ..........i was driving it and all of the sudden it stops and cannot start anymore

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Timing?

Posted on Oct 03, 2010

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Dion engine


Check ignition and gas.

Listen for the fuel pump to come on for a couple of seconds with key ON. If you hear it, pump is working, check for gas at the fuel rail on top of engine. Should have gas under pressure.
If pump doesn't come on, check the fuel pump fuse, check fuel pump relay. Last, use a test light or voltmeter and check if the fuel pump wire has power to the gas tank connector when the engine is cranked over. If power there, fuel pump will need taken out and replaced. If no power at the pump, pump circuit needs checked.

Check ignition by checking for spark at a plug wire end. Pull off plug wire from spark plug, push the boot back so metal end terminal is exposed. Hold the end terminal 1/4 inch from a grounding source like a metal bracket or bolt on engine. Have a helper crank the engine over and watch for a spark-you need to see a blue snapping spark to know the ignition is good. Maybe wear gloves or use a heavy rag holding the wire-you can get shocked if not held close to a ground. Another way is to pull off the wire from plug, remove plug from engine, then re-attach plug to plug wire, and lay the plug on top of engine where the plug threads are touching metal-now the plug is grounded. You will not have to hold the wire. Have the helper crank the engine, while you watch for spark at the spark plug end. If you have a blue snapping spark, ignition is good. It is a good idea to check for spark on more than one plug wire-maybe another coil is not firing.
If your ignition is good, and you hear the pump come on, possibly a weak pump not putting out enough pressure- then check fuel pressure with a fuel pressure gauge. Fuel injection requires high pressure, so the injectors will spray fuel out.
If still no go, scan computer for trouble codes. Check if your security or theft deterrent has immobilized the car.
Good luck.

Sep 29, 2013 | Mitsubishi Cars & Trucks

1 Answer

Welli have towncontry i change computer but dont start and the inyector dont have electricity to star the car


Is the computer powered up? Does your check engine light come on when you turn the key to on?
If that's o.k., check fuel pump operation. Do you hear the pump come on to prime the fuel system when you first turn the key to on? It should turn on for about 2 seconds, and then stop again until the engine is being cranked, at which time the pump comes back on. You can't hear the pump when engine is cranking or running, but you could hear it first come on to prime the system. There may be a schrader valve-a test port- on top of engine on the fuel rail. If you find it, take the cap off, and press down the valve-gas should shoot up if the pump is working and getting fuel to the engine.
Now if the computer is powered and the pump is getting gas to the engine, and still no start, you need to check your ignition system by checking for spark at one of the sparkplugs. Pull a plug wire off a plug, pull the sparkplug out, reattach the plug wire to the plug, and lay the sparkplug on a metal part of the engine, so the sparkplug threads are touching metal (grounding it). Now have someone crank the engine over while you watch the plug for a strong blue spark there. You need to see a blue, snapping spark to know your ignition system is good. An orange spark is not good-too weak. If no spark, or not consistent, you have a problem in the ignition system, and will have to diagnose and fix that.
If all is good so far, you may need to check the fuel injection system. Start by pulling one injector connector off, and check for power on one of the two wires going to the injector (the other wire is the injector ground wire), with the key in the on position. If no power to the injector with key on, the injector drive circuit has failed. If one wire does have power, post back to me for how to test the injector ground circuit-very easy with a testlight.
Good luck.

Nov 22, 2012 | Cars & Trucks

1 Answer

My 1991 lexus will not start when the ignition is turn with the key. The ingine constantly turns over without starting and preceeds to kill my batterie.


Well if it is cranking you need to see if you are getting spark and fuel.....Try turning the ignition on without cranking the motor....You should hear your fuel pump making a whirring sound for about 3 sec.and then shut off...If no sound from pump (which is located in the fuel tank) check the fuel pump fuse If fuse is good check fuel pump relay...If all checks out ok with fuel pump take into consideration when the fuel filter was changed last....I dont recommend adding fuel injection cleaner to your tank without first changing fuel filter...additive is designed to break up debris thus breaking up all trapped particles in filter sending debris through your injectors.... To check for spark pull the #1 spark plug wire and place it on an angle on tip of plug (allowing you to see if spark is present) have an assistant crank engine while you look for spark..... Do not hold spark plug wire in your hand while engine is cranked.... I hope this has helped you

Jun 12, 2010 | Cars & Trucks

1 Answer

2002 blazer crank but wont start


2 things that you have to check on no starts every time. Spark at spark plug and fuel. Turn key to run position and listen at gas tank for fuel pump to run you should hear a whining noise. This will only happen for 3 to 4 seconds then it will shut off until engine starts. You can turn key off then to run every 3 to 4 to listen for fuel pump. You may hear the relay click off in engine area even if pump does not run. Fuel pump failure is pretty common. If pump is running pull spark plug out or put a spare plug into spark plug wire and have someone crank engine set plug on engine and watch for spark. This will give you a starting point. Hope it helps.

Mar 30, 2010 | 2002 Chevrolet Blazer

2 Answers

2001 expedition cranks but wont start


check your crankshaft position sensor

Mar 21, 2010 | 2000 Ford Expedition

1 Answer

2000 chevy express 1500 van having starting issues


Start with fuel system. Listen for fuel pump humm at fuel tank No humm check wiring to pump for power. Then check for spark at plugs and wires. Remove wire from coil and hold near engine and see arch when you crank. No arch. Replace ignition Modular inside distributor cap or cap or rotor

Feb 04, 2010 | 2000 Chevrolet Express Cargo

1 Answer

'99 silverado will turn over but won't start. I have a new battery, 6 month old starter, new plugs, new distributor cap and rotary button. I used to be able to turn the ignition on and off real quick and...


I'd start with one of these and move on to the next.

Fuel
Spark.

Is it getting fuel? You should have an "in tank" electric fuel pump. When you turn the key halfway (just before turning the engine/starter over), you should hear the fuel pump prime. Easy way to check is to look in the throttle body while someone turns the key to the "on" position. You should see/smell the fuel. You can also listen to the gas tank while the key gets turned. You should hear the fuel pump run.

To check spark, pull a spark plug out, put it back on the plug wire and rest the electrode end of the plug up against the engine or exhaust manifold and have someone turn the engine over. You should see the spark plug firing. Don't hold the plug or wire while doing this. You'll get zapped if it's working ok.

If these both check out ok, then take a look at your firing order. If it's off by a significant amount, it may not fire. I've seen this happen when a cap/rotor/wires were changed and the wire/rotor was not positioned on the correct cylinder. (Most of the time they will at least fire or backfire, but either not stay running or run REALLY badly if the firing order is off.

Jan 18, 2010 | 1999 Chevrolet Silverado 1500

1 Answer

My car will turn over, but will not start? is it my fuel pump and i keep hearing about all these temporary fix


Many problems could cause this. Fuel pump relay? Do you hear your fuel pump pump momentarily when you turn the key on (not to start, just 'on')? It should hum for about 5-7 seconds then shut off. If you don't hear anything, get either the pump or the relay looked at.
Crank sensor working? Or any part of the ignition system working? Check this by pulling one spark plug wire, sticking an old spark plug into it and laying the plug onto some metal on the car. Anywhere will do. Have someone crank the car while you look for a tiny spark in the plug WITHOUT TOUCHING THE SPARK PLUG!!!. See one? If so, ignition is (most probably) working.
Did the car stop working suddenly? It is either ignition or the pump system. If not that, it is your computer, or a sensor. Run engine codes to see if it recorded any errant readings from any one of the sensors.

Nov 23, 2009 | Saturn L-Series Cars & Trucks

1 Answer

Will not start. 1995 astrovan will not start. engine turns over as normal, sounds like it is starving for fuel or spark.


pull a spark plug wire off at spark plug put another plug in wire lay plug and wire against metal of engine and turn motor over looking at plug for spark. as for pump noise turn key on not to start and listen for whine noise for a couple seconds. if hear whine that is your fuel pump noise. not a clear filter canister about under drivers seat on inside of fram

Sep 07, 2009 | 1995 Chevrolet Astro

1 Answer

2004 Kia Sedona wont start but i can hear starter.


if the starter is revving very slowly it is the battery, charge battery. if not, It can be three things happing. 1 no spark 2 no fuel 3 no crank signal or the car computer is bad- you will need to unplug one of the spark wires and remove the spark plug and put the spark plug in the spark plug wire boot, and touch the spark plug on any metal on the car and have some start the car. donot touch the spark plug itself and see if there is a spark. if spark is bright, then it is not spark plug and wires but if no or spark is not bright, check the spark plug wires by applying a little bit of water on the spark plug wire and take a 12v test light, connect the clap to ground and and have some one to crank the vehicle, touch allover the spark plug wires with the tip of the test light, if you see spark, replace the wires and change the plugs.. they are not good. if spark is present, check for fuel by removing any one of the spark plugs and see if it is wet. if wet fuel pump is ok but if not go look for the fuel pump fuse and relay. is fuse blown, replace, check the relay resistor with a volt meter. it should be around 40 to 80 ohm. if everything is good from this point check the fuel pump itself by disconnecting the connector to the pump and apply 12v and ground using jumper wires or some wires to the fuel pump if you donot hear the pump,replace pump. if you, the crank signal or computer may be the problem

Jan 02, 2009 | 2004 Kia Sedona

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