Question about 1992 Jaguar XJ6

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No start turns over good has good spark

Engine turns over good,nice clean spark,fuel pump relay clicks although i do not hear actual pump ? should i ? vcm code for throttle pot.if the throttle pot has failed will the engine fire and idle ? is there an easy way to check for fuel delivery to fuel pressure rail\regulator ?

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  • flamethro872 Dec 17, 2008

    Thanks bibleman.added fuel engine fired up then quit.followed power source to pump in tank.power to pump but pump not working

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Easy way to check if its getting gas is to take off the breather hose and pour some gas in then put it back on before you try to start it if it starts or even try's too then its fuel pump

Posted on Dec 16, 2008

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Its a 1993 dodge colt vista se we shut off the engine & know it just turns over but wont start


Probably lost either spark or fuel to the engine. Try starting it with starting fluid into the intake. If nothing happens, check for spark on a spark plug wire- probably the ignition system. If it runs for a second or two with starting fluid, it is a fuel problem-check fuel pressure to see if the fuel pump is still working.

Nov 01, 2014 | 1993 Dodge Colt

1 Answer

My 1999 nissan quest van is like its mot getting gas I put new fuel pump spark plugs cleaned fuel injectors it's still not starting


Can you hear the pump hum or buzz when you turn the key to on? It should come on for a couple of seconds to pressurize the fuel system. If you don't hear it, check the fuel pump fuse. If fuse is good, find the fuel pump relay under the hood. Hold a finger lightly on the relay and have someone turn the key to on. You should feel it click on to power the fuel pump. If no click from the relay, you will have to diagnose the fuel pump circuit. The relay should have power from a fuse link or a maxi-fuse that may be out. The computer signals the relay to turn it on.
Now if you do hear the pump, you would want next to check the ignition circuit: check for spark on one or two of the spark plug wires. The ignition is probably good if you see a blue snapping spark. If weak, intermittent, or orange colored spark, the ignition circuit would need diagnosing.

Jul 12, 2013 | Cars & Trucks

2 Answers

2000 dodge stratus wont start even after changing fuel pump


I think you are making some assumptions and may be overlooking the problem.
What is the actual fuel pressure at the rail ?
Are you getting a good spark at the plugs ?
Do you have normal compression on all cylinders ?
Is the check engine light on when you turn the key on ?

Feb 01, 2013 | Cars & Trucks

1 Answer

I was driving out of a parking lot and the engine just quit and now it won't start back up, it just cranks


If it cranks strong then it's probably not the battery/alternator/starter. Check the battery terminals to make sure they're clean. Cars need 3 things to start and run: fuel, spark, and compression. If it's just cranking it might be the fuel filter and/or pump. Could also be a fuel pump or PCM fuse or relay. Check your manual to find the locations of those in your fuse panel or in the fuse box under the hood. When you turn the key to on, before trying to start it, you should be able to hear the relays clicking. If you put a finger on it you should be able to feel it click (you'll need a friend for that). You should also hear the fuel pump pressurize when you turn the key to on before starting. It sounds like a humming sound that lasts about 3 seconds. If the relays don't click, that's probably you're problem. And if they do click and you can't hear the pump, then you'll probably need to replace the fuel pump and filter. If you hear the pump pressurize then you probably have electrical or spark problem. Hope that helps!

Oct 11, 2010 | 1993 Ford Probe

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

Engine cranks but won't start, no fuel. Fuel pump and filter just changed. Accident button reset although the button feels free, no clicking or activating.


you going to have to narrow it down to see what part is defective. first check make sure you getting sparks by pulling one of the cable and use spare plug and ground it making sure you getting fire when turning engine over. 4 things need to check for fuel delivery. fuse, relay, fuel pump and crank sensor. assumed fuse and relay are good, using 12v light tester locate the fuel pump connectors and connect pos and neg terminal and have someone turn engine over and see is you getting any power to the pump, if the pump is good, crank sensor will be faulty, what crank sensor does it sense the flywheel turning sending info to the ECU then the ECU send power to the fuel pump. keep in mind, fuel pump will only turn on as long the crank sensor sense the flywheel turning.

Nov 06, 2009 | 2002 Ford Explorer

1 Answer

My car wont start its a oldsmobile alero 1999


if car wont start.make sure your battery volts are 12.5.if not charge battery.or replace it if dont hold a charge.if battery is good engine wont turn over.make sure battery cables is clean and tight if all good no start .have starter and starter solenoid check.if battery and starter is good.check for fuel .has some one turn ignition to the on position.go to rear of car listen for fuel pump noise.if your hear fuel pump check ignition system for spark.go to auto parts place buy a spark tester.if you get no spark .check .ignition fuses and ignition module.if you hear no fuel pump.replace relay or fuse.if if fuse and relay good replace fuel pump.if every thing good .your car could have crank sensor problem. or your car is in theft deterrant mode.if so have your car towed in and scanned.

Jun 30, 2009 | 1999 Oldsmobile Alero

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