Question about 1991 Cadillac Eldorado

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Wont start new cap rotor plugs and coil, i can smell gas but still wont start. battery is dead but i am jumping it please help

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  • james_willyj Apr 16, 2009

    no spark where do i start

  • james_willyj Apr 16, 2009

    did self test with on board comp. no codes came up

  • yadayada
    yadayada May 11, 2010

    U START BY RUNNING A CODE TEST.

  • yadayada
    yadayada May 11, 2010

    do u have spark

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  • Cadillac Master
  • 6,982 Answers

First take a time out and recharge the battery (using a battery charger, not another vehicle) A discharged battery can buffer enough amperage that ignition system can't function correctly if using a jump start.
Second, check spark. If lots of fuel has gotten down to plugs, you should remove and dry them off as well.If no spark, check that 12 is reaching coil. If not, you need to determine why.
There are further tests, but start with what i've outlined before going further. If you find nothing, I'll try to help with the rest.

Posted on Apr 16, 2009

  • Richard Scordino Apr 16, 2009

    Is there 12v at the heavy red wire that connects to the cap/coil batt terminal with the ignition on??? If there is, remove the cap and look inside the distributor and check the small wires that attach the pickup coil to the outside of it. They often break.

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Sorry about the spell trying to eat but my car cut off on me so I was thinking that I ran out of gas so I put some gas in my car an now it's no power inside my car no light inside out my head light come on...


Cranking HARD ?
No Cranking ?
Smell Gas ?
Cranks Fast ?
POSSIBLE - * Battery dead or weak (alternator may not be charging right or gone bad) . * No fire coil pack(s) / rotor button distributor cap Faulty . * Cranks fast ( getting fire but no gas )
FIXES - * JUMP START IF POSSIBLE and if car starts take off 1 battery cable if car dies the ALTERNATOR IS BAD . * Pull 1 plug wire off and check for a hot spark or any spark for that matter .
Could be multiple things with multiple fixs need more info for a more precise answer. Start with the basics POWER +/- , FUEL , AIR , FIRE
Hope this Helps , Flaming Ratchets Auto Repair

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Firing order 84 madza rx7


If your tach does not work that is a symptom. Of course a timing light is most useful. If not you can coil wires (swap with known good wire) ; check ignitor,(swap trail/lead ignitor plugs at distributor) coil, check with ohm meter.
Trailing ignitors are very common failures, especially when either jump starting or being jump started when a battery is stone dead. What happens is there can be a huge power spike through the ignition system damaging the electronics in the ignitor. 90% of trailing ignitor failures happen during a jump start procedure.
At this age though, wires and coils can be suspect. My recommendation for ignition parts, Mazda Mitsubishi Cap/rotor and NGK wires and plugs. They are good enough for Mazda factory race teams and I have been using them since 72 with no ignition related failures in racing or all the street vehicles that have been maintained. Most critical is the fit of the rotor, it should be very hard to install, very tight fit. If loose the rotors have a tendency to rotate and move causing changes in timing and at worse damaging the cap and rotor.

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Cranking over but wont start


If you smell fuel in the exhaust, then you can assume the fuel pump is working. Spark at the coil is fine but do you have spark to the plugs? It sounds like you have an older car with a cap and rotor. You might have a bad cap or rotor. It might just be flooded, in which case pulling and cleaning the spark plugs would help.

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My 1991 grand marquis wont crank, it was running great on friday then sat morning it just spending i smell gas when im trying to crank it. i was thinking it as jump time


It may have jumped time. However, if you smell gasoline, it got flooded. Here is the lay of the land.
If it cranks, as in turning over but not starting. And you smell gasoline. The fuel is good, but there is not electrical spark going to the plugs. Bad coil. Cracked distributor cap. Moisture under the cap. Check this before you worry about the timing. You first have to test for ignition. Also don't pump the gas when starting it. See what happens. Also when the car is warm, never pump the gas. Also check the wire going from the distributor cap to the coil.
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Hope this helps,
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1 Answer

1998 Dodge Durango, when starting everything seems to be coming on but it wont fire, (turn over) just replaced battery 4 days ago. Have checked the battery and it appears to be hooked up tight. It does...


If it smells like it is getting gas and then floods check spark plugs see if soaked in gas clean and dry reinstall see if it will start if so you have a weak spark either the coil or the pickup coil in the distributor or both are going bad start with coil then if problem is still there replace distributor and put a new cap and rotor on new distributor good luck

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2 Answers

Ignition coil is arcing.


check your spark plug cables, more them likely bad.

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1 Answer

Part time miss


Sound like you coil is going out. Need to replace the coil and go ahead and do a complete tuneup, plugs, plug wires, distributer cap & rotor button. It will run like new, plus a can of SEAFOAM for the gas tank to clean to fuel system.

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