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Started Yesterday, won't start today

T

TCo22

New member
Ok, Strange thing goinng on here. 2000 GTP Daytona, was starting fine for the past 3 years i've owned it. literally would start as soon as it started cranking. Drove the car home from work, parked it in the driveway as normal. went out to go to work the next morning & it just kept cranking. got a ride to work, came home & it started right up as if nothing was wrong. it was fine for 3 weeks & then it would not start again while i was leaving work. left the car at work for 3 days (tried starting it each day & nothing) then on the 4th day i tried again on my way out & it started as if nothing was wrong again. got it home, & it started every day for 4 days. I thought maybe the fuel pump was going out. changed that, started right up on Sunday, went out to go to work this morning & nothing, just kept cranking again. I have done the typical tune up (plugs, wires, fuel filter, oil change). Any ideas or direction to start looking would be appreciated.
 


Try some diagnostics before throwing parts at it.

You need to check for spark and fuel when it is not starting. Just because it has a new fuel pump doesn't mean the injectors are firing. Just because it has new plugs and wires doesn't mean it has spark.
 
Fire it up.. tap with your finger on the top of the maf sensor. If it flutters, sputters or dies.. it's a maf.

IDK.. it feels right.
 
Wiggle the wires from the ignition control module when in a no start situation. It may start. I had very similar symptoms and it was a bad ICM


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Looks like you may have been right w/ the ICM. the screw that holds the wire harness into the ICM was loose. have not had an issue since I tightened it down.
 
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