Question about 1990 Pontiac Grand Am

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1990 grand am not getting fuel to spark plug but i have fuel on fuel rail

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Check the fuel injector pulse now the injector should flash on and off.. if it does not then there is an electric problem could be fuses or injector relays. Remembe injector is 12 volt solined.

Posted on Jul 19, 2009

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Oct 27, 2016 | Cars & Trucks

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Can you replace a spark plug on a 1999 Mercury Grand Marquis without pulling the AC


yes you can. the spark plugs are located on top of the motor under the fuel rails. it has coil packs on each cylinders. you need to unbolt the coil turn it then pull it out. its a tight fit but can be done. For more room you can puul the fuel rails. but can be done with. good luck

Oct 03, 2011 | 1999 Mercury Grand Marquis

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Turns over but dosnt start its getting spark


Could be fuel pump, Fuel pump relay, fuel pump circuits, fuel filter, bad fuel, defective Mass Airflow Sensor (MAF), shorted or open fuel injector circuits, broken timing belt, worn out or improperly gapped spark plugs, blown head gasket, damaged valve train components. You need to check the fuel pressure at the fuel rail and the engine compression to eliminate many of the possible causes on this list.

Jan 15, 2011 | 1990 Mercury Topaz

1 Answer

The car starts 99% of the time but every once in a while it won't restart after it has been driven for a few miles. It cranks over but won't start until it has been sitting awhile.


first you need to check if its fire or fuel the next time it wont start pull the plug wire off and hold it close to metal and have someone crank it if it sparks check to see if you got fuel pressure at fuel rail or throttle body but be careful it could be high pressure if no spark an intermittent problem could be ecm or crank sensor no fuel pressure could be fuel pump in tank

Nov 03, 2010 | 1990 Pontiac Grand Am

1 Answer

I already replaced the crankshaft sensor. When the car gets hot it won't crank and then when it cools down it will start back up 2000 Grand Prix 3.8


Could be ignition control module or fuel pump, if you don't have spark to spark plug's, control module, also check for fuel pressure at fuel pump pressure port, port will be on fuel rail.

Aug 11, 2010 | 2000 Pontiac Grand Prix

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My jeep grand cherokee is smoking really bad. Black smoke and it also skips. What might this be?


Black smoke is too much fuel. Bad spark plug, or plugs, bad spark plug wire or wires, bad injector, allow engine to cool, pull the spark plugs. does one look bad? Replace one or all. Plug wires don't last forever. An injector can stick open an pass too much gas :)

Jun 06, 2009 | 1998 Jeep Grand Cherokee

1 Answer

I cant locate the fuel filter on my 1990 Grand Prix 3.1L


The Fuel Filter Should be Underneath the Car Inside the Frame Rail. Please Rate my Response, I need all the Help That I can Get! Thanks!

Jan 27, 2009 | 1990 Pontiac Grand Prix

1 Answer

Cranks, have spark, will not start


Get a factory service manual (not Hanes or Motors or Chiltons) from the local repository library. They have an excellent troubleshooting chart, as well as will tell you where to look, and what for.

Jan 24, 2009 | 1990 Ford Bronco II

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