Question about 1998 Volvo S70

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STARTS and runs well but quits and wont start again until it sits awhile.Acts like vapor lock,checked fuel and spark,compression and timing,all good.Replaced fuel filter,mass air sensor and cut holes in the cat to relieve possible back pressure.At first it would quit after idling about 5-10 minutes but now runs 20 minutes before quitting.

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I had the same problem but when I changed the Mass Air Flow it was solved. I am suprised that you changed the MAF and you are still getting problems. Please get an OBD check. The problem must be having something to do with electronics and the ODB will definetly be able to read it.

Posted on Sep 06, 2010

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