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Running rough on start-up V70-XC70

posted by  KlausC on  Thu Apr 21 09:43 CST 2011
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

There are so many variables. Are the spark plugs gapped correctly? Are the coils all cracked. Is the air filter clogged, restricting the amount of air during cold/enriched startup? With 197K, you must be using the newer version of the ETM, but that could be a problem. The MAF could also be dirty and giving false readings. The throttle body could also be dirty and messing up the air flow. Same with the engine coolant temp sensor, or the O2 sensors.

Klaus
--
Always willing to listen, just not able to take direction.






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