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post #1 of 10 (permalink) Old 11-11-13, 08:32 AM Thread Starter
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2000 Grand Marquis shuts off and wont turn back over

The car runs fine when you first crank it up. After it warms up it sputters out. it will crank but not turn over. New fuel pump,tps, fuel filter, spark plugs, and im about to put a new crank shaft position sensor in now. im tired of throwing parts trying to figure it out. also im getting code P0230.

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post #2 of 10 (permalink) Old 11-11-13, 12:00 PM
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Re: 2000 Grand Marquis shuts off and wont turn back over

try switching the relay for another one in the box.

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post #3 of 10 (permalink) Old 11-11-13, 12:10 PM Thread Starter
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Re: 2000 Grand Marquis shuts off and wont turn back over

Already have done tht
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post #4 of 10 (permalink) Old 11-11-13, 12:13 PM Thread Starter
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Re: 2000 Grand Marquis shuts off and wont turn back over

also changed the crank shaft position sensor. nothing
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post #5 of 10 (permalink) Old 11-11-13, 01:37 PM
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Re: 2000 Grand Marquis shuts off and wont turn back over

What's the fuel pressure when it won't start? P0230 Fuel Pump Primary (Control) Circuit Malfunction

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post #6 of 10 (permalink) Old 11-11-13, 01:39 PM Thread Starter
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Re: 2000 Grand Marquis shuts off and wont turn back over

no idea. i dont have a gauge
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post #7 of 10 (permalink) Old 11-11-13, 01:46 PM
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Re: 2000 Grand Marquis shuts off and wont turn back over

When you say " it will crank but not turn over " you lose me as it means the same in my book .
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post #8 of 10 (permalink) Old 11-11-13, 01:55 PM Thread Starter
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Re: 2000 Grand Marquis shuts off and wont turn back over

i turn the key and the engine will spin over fine but wont actually start up
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post #9 of 10 (permalink) Old 11-11-13, 01:56 PM Thread Starter
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Re: 2000 Grand Marquis shuts off and wont turn back over

the relay is doing what its suppose to do
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post #10 of 10 (permalink) Old 11-11-13, 02:04 PM
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Re: 2000 Grand Marquis shuts off and wont turn back over

Link on same problem ,


No Start Engine Automotive Repair Guide - 2CarPros

Next time it refuses to start don't wait for it to make up its mind-do below immediately to determine if its fuel or spark problem

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 3/16 away from ground-have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, Do you hear the fuel pump come On when you turn key on? If not check fuel pump fuse and fuel pump relay if okay-check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs,coil's resistances,cap and rotor,distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it and keep testing
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