02-22-2010, 04:42 PM | #1 |
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Join Date: Oct 2007
Location: Wedowee, AL
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88 5.0 won't run
GOT HER FIXED!! She is a mass air car now. Ok, long story short. Got a 88 5.0 5 speed car that everybody in the world has worked on. Owner said it stop firing. It is firing and has 40 psi at fuel rail. It has power at the injectors. The computer, distributor, pick up, fuel relay, fuel pump, wires, plugs, fuel injectors, fuel injector harness, switch, fuel pump, have all been replaced. It has about 100 TO 120 compression on each cyclinder. It is in time and the wiring is correct... Some times it will start and run for about 5 seconds and it hits while it is turning over. WTF is wrong with this POS?
Last edited by stangman; 02-28-2010 at 04:05 PM. Reason: Fixed.. Ecm harness bad |
02-22-2010, 04:45 PM | #2 |
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More details... does it prime the fuel pump for a couple seconds when you turn the key? Then when it does fire, is the pump still running? You said you put a new computer... but was it really new, or just a junkyard one? Computer was my first thought.
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02-22-2010, 04:49 PM | #3 |
Dazed and Confused
Join Date: Mar 2009
Location: Northport, Al
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Have you checked for 5v reference on all the sensors and checked the EEC relay?
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02-22-2010, 05:53 PM | #4 |
magnaflow lover
Join Date: Nov 2009
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check the ground from the battery to the computer/ body ground its the one next to the battery it is a round shaped plug i had a similar problem and that was all it was!
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02-22-2010, 06:11 PM | #5 |
3v's are slow
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Has somebody changed the cam in it?
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02-22-2010, 06:13 PM | #6 |
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02-22-2010, 06:15 PM | #7 |
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It does prime. The pump runs when the car fires and it keeps 40 psi. It is a reman computer. I also took one from a running car and tried it.
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02-22-2010, 06:17 PM | #8 |
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02-22-2010, 06:18 PM | #9 |
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02-22-2010, 08:09 PM | #10 |
3v's are slow
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Jerome, Have you removed the front cover to make sure that the timing sprockets are where they should be?
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2009 Porsche Carrera S 2008 ///AMG C63.. Eurocharge Tune. RIP 2019 AMG GLC43..wife's 03 F250 SD.. Edge Evo, AFE Stage 1 CAI 08 GT. JBA axle back, FRPP springs, FRPP swaybars.. daughter's 01 Cobra vert... wife's I need a new toy |
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