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940 intermittently sluggish, only when hot 900 1993

posted by  Abel on  Thu Sep 9 02:06 CST 2004
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last visit: Fri Mar 16 22:52 CST 2012
[RELATED]

'93 940 144k. After completely warmed up (usually on a hotter day here in the Phoenix area), the car is SOMETIMES very sluggish on acceleration until you get the rpm's up. Fine at highway speed, once rpm's are up, just no power at low rpm's. Frequency is once or twice out of every three or four accelerations from a traffic light. Never happens when car is cold. Doesn't always happen when warm, intermittently occurs when hot. Smacks of electrical to me, but haven't narrowed it down yet. (No check engine light or codes). Has a new fuel pressure regulator. Fuel pump relay is also new, and shows no cracks around solders.

Ideas where to start looking?






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