Question about 1997 Mercury Grand Marquis

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It cranks but won't start. The fuel pump doesn't make noise. Then all of a sudden it works.

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  • 52 Answers

Sounds like a bad fuel pump relay.

Posted on Mar 27, 2011

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Posted on Jan 02, 2017

  • 112 Answers

SOURCE: car cranks over, fuel pump pumps fuel, car has fuel , but car will not start?

maybe your fuel injectors are not working

Posted on May 27, 2009

  • 1382 Answers

SOURCE: "Cranks, but won't start". Replaced fuel pump, CKP, ICM & nothing

If the engine cranks over normally when you attempt to start you car, but the engine does not start, the problem may be NO FUEL, NO SPARK or NO COMPRESSION. The engine needs adequate fuel pressure, a properly timed spark and normal compression to start.


1) To find why the engine won't start, remove the air inlet tube from the throttle body, push the throttle open and spray a small amount of aerosol starting fluid into the engine. Crank the engine. If it has spark and compression but NO FUEL, it will start and run a few seconds before dying. If it does NOT start, it probably has NO SPARK.

2)Another method to check for spark is to pull a spark plug wire off of a spark plug (if it has plug wires, coil-on-plug ignitions do not) and place the open end of the plug wire near a metal surface on the engine. Have a helper crank the engine while you watch for a spark. DO NOT hold the wire while doing this as it can shock you. If you see a spark, the problem is not spark, but most likely NO FUEL or NO COMPRESSION. If you do not see a spark, the problem is in the IGNITION CIRCUIT.

3)Proper fuel pressure is critical for fuel injected engines to start and run. You should hear the fuel pump inside the fuel tank buzz for a couple of seconds when the ignition is turned on (no buzz means the pump is not running and the engine is not getting fuel). You can smell the tailpipe for gasoline vapors after cranking the engine. If you smell gas, the problem is likely not fuel but NO SPARK. You can also remove the plastic cap and press the schraeder valve test fitting on the fuel rail to see if there is any fuel pressure to the engine (not a very accurate test because fuel pressure must be at a certain level for the engine to start, for that you need a gauge). Even so, no fuel at the fuel rail would tell you fuel is not getting to the engine..

Posted on Aug 27, 2009

  • 67 Answers

SOURCE: 92 ford explorer (crank but no start and no noise from fuel pump)

Probably, also, if it's an electric, check to make sure the pump is actually getting power. The wires may have gone bad.

Posted on Nov 25, 2008

  • 135 Answers

SOURCE: 1999 Saturn SL2 DOHC Engine - Fuel pump not pumping fuel.

replace engine control module

Posted on May 12, 2009

  • 22 Answers

SOURCE: 1998 Lincoln engine cranks but does not start.

check the fuel shut off switch in the trunk

Posted on Nov 03, 2009

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you failed to say, does crank, when it don't start?
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some run for 3 seconds, key on, but you'd miss that fact. using
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the key word here is crank, does it crank as full speed, via the cranking starter motor. that is the engine cranks spins fast.
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So you can hear the fuel pump run when you turn the key on

May have to hold a long screw driver to tank & your ear & have
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Have you checked fuel pressure?

If your not the only person going to work on this vehicle
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PS. When you press the gas pedal to the floor during cranking, it shuts off the fuel supply to clear a flooded engine.

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