Question about 1996 Jeep Grand Cherokee

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I have no spark coming from my coil can you give me a idea

I replaced a fuel pump because there wasnt any pressure? so now i checked the coil an there aint spark? cuz the guy told me it only does it when its cold

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  • Alex M
    Alex M May 11, 2010

    what year make model of vehicle???

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Replace crank sensor

Posted on Jan 18, 2009

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1 Answer

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

360 just shutting off.


Check the fuel pressure and make sure its within the specs it could be a weak fuel pump or a clogged fuel filter.

Jan 12, 2012 | AMC CJ7 Cars & Trucks

2 Answers

I have a 1997 chevy suburban we were out for a drive one day and it did this poot poot poot and died we had just went for gas its been about a month and a half and we have changed the electronic ignition...


Hello waddle, we need to confirm that it has spark at the spark plugs. After that it needs to have fuel pressure. The 3 "poots" sound like it ran out of gas....If you can hear the electric pump come on, and the fuel filter is clean, you should have pressure at the fuel rail on the engine. If the pump does not come on, and the fuse ( ECM B fuse powers the pump) & relay are ok, & you have voltage at the pump (inside of tank) then the pump needs to be replaced...
I hope this helps, reply back if further assistance is needed.

Aug 31, 2011 | 1997 Chevrolet Suburban

2 Answers

My zx2 wont start.i changed the fuel pump.


maye it wasnt the fuel pump it probaly was the fuel filter

Dec 17, 2010 | 1998 Ford Escort

1 Answer

My 1994 park ave, sometimes it starts, sometimes it wont, it does not matter if is is hot or cold, when it is running it runs smooth like there's nothing wrong. I replaced most of the fuel system, spark...


You have three choices. First, check the spark and coil system to ensure you are getting a spark. Pull off a plug wire from the coil pack and crank. Have someone watch to see sparks snapping off the coil pack. If you don't have any replace the control module under the coil packs.

Second, you may not be getting enough fuel pressure. Put a gauge on the fuel pressure test port. You may have a bad oil pressure sensor, located down above the oil filter. Check that oil pressure sender and make sure the connector is pushed in. The power to the fuel pump runs through the oil sender. If the engine starts and oil pressure doesn't come up quickly, the computer will shut off the fuel pump. Check this and you can also manually engage the fuel pump from the relay block down by the passenger feet.

Third choice, and it's a long shot, check the harmonic balancer and the crank position sensor. If the sensor is bad, the computer has no idea when to fire the spark plugs. A magnet is on the harmonic balancer and flys by a sensor to induce a voltage in the coil and tell the computer what position the crank is in.

You also may have a bad computer.

You can figure it out.

Oct 27, 2010 | 1994 Buick Park Avenue

1 Answer

1990 chevy corsica 3.1 liter v6 engine. started ran fine went shopping and on my way home it dies out of no where, start it back up give it gas dies again. it will run in idle but sounds rough and as soon...


Coils and wires are the most likely culprits as they never get replaced hardly ever. You cant really test a coil, you can check for resistance on the plug wires but that doesnt tell you if the insulation is bad on them.

May 18, 2010 | 1990 Chevrolet Corsica

3 Answers

Replaced fuel pump & still car wont start on 97 olds 88


The fuel pump most likely is not the problem,replace the crankshaft sensor,it tells the computer to pulse the injectors,and the spark.

Mar 07, 2010 | 1997 Oldsmobile Eighty Eight

4 Answers

My Honda Accord will crank but it wont start


check for spark at the spark plug wire, if theres no spark then id say the distrubutor is no good, replace disturbutor and car should run,also if coil is sperate from dist, then try a coil first, if its in dist, then replace complete unit. if you have spark at the plug then check for fuel preasure. hope this helps.

Dec 06, 2009 | 1992 Honda Accord

3 Answers

The fuel pump pumps but on start up it dies


Flel regulator will only affect max fuel pressure only will not cause it to not start. try replacing fuel filter first if still does not get fuel then you need to see if it is fuel related or if you have a spark at the spark plugs, pull off a spark plug boot and put screw driver in it hold 1/4 inch away from bare metal and crank engine if you get a spark then it's fuel relateed if no fuel it can be the crank shaft sensor or the cam shaft sensor. let me know if it has fire.

Aug 30, 2009 | 1995 Ford F250

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