Sitting Idle Problem
#1
Sitting Idle Problem
2000 Volvo S40
1.9L L4 PFI DOHC 16V
When I drive the car it's fine. But after I stop and put it in park. The sitting idle becomes a problem. The RPM begins to go over 1 and then back down to like 0.5 then back to 1.
It does this several times. Revs up and down. Anyone know what the problem could be? Replaced some bad hose lines, a new battery, spark plugs. But still doing this.
Any ideas?
1.9L L4 PFI DOHC 16V
When I drive the car it's fine. But after I stop and put it in park. The sitting idle becomes a problem. The RPM begins to go over 1 and then back down to like 0.5 then back to 1.
It does this several times. Revs up and down. Anyone know what the problem could be? Replaced some bad hose lines, a new battery, spark plugs. But still doing this.
Any ideas?
#3
Someone told me in another topic it might be a bad MAF sensor.
But after reading up on IAC, I realized I already replaced some bad vacuum lines and it helped it a little bit.
The car runs fine otherwise, you really think I'll have to replace the valve? Cause just looked it up and it's gonna cost like $200.
But after reading up on IAC, I realized I already replaced some bad vacuum lines and it helped it a little bit.
The car runs fine otherwise, you really think I'll have to replace the valve? Cause just looked it up and it's gonna cost like $200.
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PeterLeonard
Volvo 240, 740 & 940
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02-25-2012 11:01 PM