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First Bill and Jd Many Thx. Bill my friend made it over with snap on computer it does not have what Volvo has I guess big bucks to get all volvo stuff in it. Cleared code. Still same problem foot on pedal to keep idle at 1k rpm. Now No check engine light would come on. He said if electrical it shoul...

Hi BillofDurham, Erased code? No sir not yet, waiting to get friend with computer back here when he can. Still have to go thru any vac line I can find as JD mentioned. Wife had the car after T-belt change all fine to work. Later way back running fine then bam would not idle at lights etc. Many thx f...

Thx JD, Snap on computer used. A mechanic friend has it, read it and he said its the Mass Airflow sensor. Code ? Don't know when he can come back? Anyway he said get the cleaner and clean it which I did, didn't help. Then I switched the sensor out with another 2000 v40, didn't help. I did put the su...

Hi All new kid on the block here, ? Just replaced water pump -timing belt- tensioner. Drove car 12 miles home from shop ran great. Next day drove 12 miles car then started running ruff brake gas to get it home. Does not want to idle. You can keep it running with foot on gas above 1 k rpm. I had a fr...

Work on kids 2000 v40 get him back to college (141k+). Book says get volvo coolant? Any 50/50 green ok?? Will change thermostate while at it (napa). Can I get a good flush thru resivoir-thermostate hole- into heater core without taking off hoses? Does key need to be on to open heat core valve? Littl...