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99 GLT Rough Idle AND hard start - NO CEL S70 1999

posted by  someone claiming to be Elwood on  Tue Feb 22 17:45 CST 2011 [RELATED]

Only 108K on car, runs fine at speed. Just put in New Volvo plugs (old ones were only 35K on them and looked decent). Maybe vacuum leak? Low voltage coming from Alt to Batt for hard start?








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99 GLT Rough Idle AND hard start - NO CEL S70 1999

posted by  KlausC on  Wed Feb 23 10:20 CST 2011
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

If the starter motor is turning slowly, and not due to extreme cold, then look at the battery contacts.

If it cranks for a good 15 seconds before starting, take a look at the exhause pipe and see if there is black smoke coming out for a few seconds when it finally starts. An over rich condition could be caused by a failing fuel pressure regulator.

Always check the vacuum lines, looking for cracks as this could also change the fuel pressure.

If this just started happening after your last fill up, go to a different station and fill up with premium.

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







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