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94 940T on life support

posted by  jwalker on  Sat Feb 23 07:22 CST 2019
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last visit: Fri Jun 6 08:39 CST 2014
[RELATED]

+1 on Amarin’s recommendations

The two areas I would focus on:

1. Since it doesn’t happen when the engine is cold, I would suspect a defective coolant temp sensor or defective electrical connection somewhere in that circuit.

2. Thoroughly check everywhere for vacuum leaks. Have you sprayed down everything? Visually examined all vacuum lines and hoses? My 90 240 had a bad intake manifold gasket but I think it whistled and ran rough cold or warm. Not just running poorly only when warm. It was a long time ago so I don’t remember for sure...

This is probably unnecessary, I do suggest reading through the 700/900 FAQ. Just in case there is something there...:)

https://www.brickboard.com/FAQ/700-900/EnginePerformanceSymptoms.htm

--
Will I buy another Volvo??? We'll see....






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