1999 Grand Prix GTP "service engine soon"
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Uploader Comments (sicexhaust2)
All Comments (42)
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Had this happen to 98 gt and code was random multiple misfires. Turned out to be ignition control module after checking spark and switching coil pack positions to check for bad coil.
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When it blinks like that you pull over and turn your shit off and then turn it back on after 5 mins
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The OBD-II system doesn't detect problems with the supercharger unit, or it's internals.
Anyway, you can hear it when the bearings go bye bye.
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Once you hit over 100xxx miles on these the bearings in the superchargers where out that may be your problem
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@nigster15 ecm engine control mogul
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it means your engine is missing i raced mine while it was blinking and blew the engine. thankfully it ran long enough to get it home. i won the race btw :)
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@sicexhaust2 how much did that catalytic converter cost?
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i have a 1998 GP GTP and almost all my lights are on. What do you think that could be??
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i got a high flow cat installed for $300
sicexhaust2 1 year ago
when was the last tune up at the time of this video?
xxTornadowarrior1xx 2 years ago
idk
sicexhaust2 2 years ago
Thanks for the suggestion but the problem was fixed months ago
sicexhaust2 2 years ago
YES!!! It is fixed after a crank position sensor and new catalytic converter. Thanks for all the replies :)
sicexhaust2 3 years ago
After researching on this issue for several hours i am almost convinced that its the catalytic converter clogged up. numerous auto forums say to remove the oxygen sensor to check for this is that safe? does anyone know of a place to get the cheapest price on a new catalytic converter?
sicexhaust2 3 years ago