Message:
I have a 1995 Chevy. The check engine light has been coming on for a while when I hit 65-70 mph, but then goes off when I let off the accelerator. I've also noticed an increase in black smoke and a slight decrease in power. Got a code 78. Can I fix this myself? If so, how? Thanks.
GmDieselTech Guest
3/31/2004 09:09:28
RE: Wastegate IP: Logged
Message:
check for vacuum at the wastegate actuator hose, should be at least 20 INCHES of vacuum, if not trace back until you find the problem.
Ryan Guest
4/16/2004 14:36:04
RE: Wastegate IP: Logged
Message:
I have the exact same problem. What did you find TP?