ls3 525 stalling

[carkrazy1987]

ckp sensor usually wont cause it to shut off or not start. ls can start and run on cam sensor alone. have you watched the fuel pressure and get it to stall while watching? very tedious and time consuming to do. when it stalls does it just shut off like if the key was turned off, or stumble and shut off?

[cjsgarage]

Originally Posted by carkrazy1987

ckp sensor usually wont cause it to shut off or not start. ls can start and run on cam sensor alone. have you watched the fuel pressure and get it to stall while watching? very tedious and time consuming to do. when it stalls does it just shut off like if the key was turned off, or stumble and shut off?

CKP is actually the ONLY sensor the ECM cannot make up a value for. Bad CKP means no start - no spark, no inj pulse.

But it also usually sets a code.


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