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Stumbling Under Boost 700 1989

posted by  Stormie on  Tue Mar 1 15:55 CST 2005
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last visit: Mon Nov 4 14:12 CST 2013
[RELATED]

Greetings,

My '89 765T (B240FT)is hesiating under boost. I've checked all turbo and vacuum hoses. Tonight, I replaced the small valves that are near the intake manifold, as they were both allowing unrestricted airflow in both directions. The new ones do not. The only question I have is the valves have arrows on the side and the word "motor". I assumed that the arrows are flowing into the motor. Please correct me if I'm wrong.

Could the fuel pump relay cause this? Just a shot in the dark. I'm really at wits end with this car and about ready to take it in and see if they can fix it.

Before i give up, any ideas??

Thanks,

Stormie - '88 240DL (477,000 miles) + '89 765T (233,000 miles)






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