2001 Volvo S60 Rough idle

Tiny
1973CAMARO
  • MEMBER
  • 2001 VOLVO S60
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 148,756 MILES
Car runs good but idles rough and lunges at stop lights
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Saturday, May 15th, 2010 AT 12:54 PM

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Tiny
RASMATAZ
  • MEMBER
Hi 1973camaro, Welcome to 2carpros and TY for the donation

Engine running rough or misfiring can be cause by the following:

1. Defective spark plug.
2. Inadequate spark/coil, defective spark plug wire.
3. Lack of compression
4. False air leakage.
5. Faulty fuel injectors.
6. Insufficient fuel pressure.
7. Contaminated fuel.
8. EGR valve that is leaking.
9. Oxygen sensors.
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Saturday, May 15th, 2010 AT 4:24 PM
Tiny
JIS001
  • EXPERT
Call Volvo to see if you are still withing the 10year/200k mile extended warranty for the electronic throttle. If diagnosis reveals the throttle is faulty and you are still withing the extended warranty period, Volvo will replace it at no charge to you. Also the PCV system will need to be cleaned out if plugged. If the breather box is plugged up, you will be responsible for the repair and you will be responsible for paying diagnosis if fault tracing reveals that the throttle is ok. Keep me posted.
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Sunday, May 16th, 2010 AT 9:48 PM

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