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Fuel and Engines
Ford Explorer Sport Trac
Grand Prix LE

How do you fix a 1990 Grand Prix LE if it starts badly jerks forward like the engine is flooded but never moves before it dies?


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Wiki User
2015-07-15 19:38:11
2015-07-15 19:38:11

Sounds like a fuel filter/fuel pump issue....I'm having a similar problem with my 1990 Grand Prix SE. Was hoping to find the location of the pump and filter, as they aren't even mentioned in the owner's manual!!! I'd prefer to do the repairs myself...another site said replacement of the filter was quite simple, and it's cheaper than the $50 the repair shop wants!!! Also, I read a review at that same website, where the author complained that his fuel pump went out at 199,000 miles. It's worth checking out!!

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no gas, no oil (if no oil, engine is scrap metal) engine is flooded, spark plug wirre went bad

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It could be the engine or maybe water could have flooded the spark-plugs.

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Oil pressure shouldn't register at all until the engine starts and builds up pressure.

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If by flooded, you mean with fuel, there are two solutions. One is to leave the engine alone for a while (an hour or so should be plenty long). The other is to hold the gas pedal on the floor (do not pump it) while starting the engine until the engine starts. Give the starter a break periodically, don't crank for more than 45 seconds continuously or damage can occur to the starter. If by flooded, you mean with water, it would depend on how long and what kind of water is involved. Repair could be as simple as flushing the engine, or as complicated as a total rebuild.

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I had exactly the same problem with my 1996 Dodge Intrepid. The fuel pressure regulator was leaking which caused flooding of the engine if the engine were off for the right length of time. Too short and the engine did not have time to flood. Too long and the fuel evaporates and engine is no longer flooded. Just right and the engine is flooded and hard to start.


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