scanner reads 9 in vacum, gauge reads 20.
replaced map sensor, same problem. Voltage good, tps works, recent tune-up. Any ideas thanks joe
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Wednesday, December 19th, 2007 AT 6:53 PM
TRASHMAN2733
- MEMBER
- 1999 PONTIAC GRAND PRIX
- 6 CYL
- FWD
- AUTOMATIC
- 75,000 MILES
Have a trouble code. Missfire detected #3 and #6 (only up hill or 70 +mph.)Changed coils and board. Wires are new
scanner reads 9 in vacum, gauge reads 20.
replaced map sensor, same problem. Voltage good, tps works, recent tune-up. Any ideas thanks joe
scanner reads 9 in vacum, gauge reads 20.
replaced map sensor, same problem. Voltage good, tps works, recent tune-up. Any ideas thanks joe
