V70

2002 Volvo Wagon

Tiny

zeeshop

July, 6, 2009 AT 3:56 AM

Engine Performance problem
2002 Volvo Wagon 6 cyl Two Wheel Drive Automatic 66493 miles

Every cold start engine hesitates/surges, backfires if accelerated. After warming up the engine, temperature at half on gauge, no more problem. I have cleaned the electronic throttle body, the CVVT solenoid. Checked the ECT all normal. What can be the problem?

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