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Thank you everyone for the replies.
This happened when my ECU failed a year ago. Then I went to the junk yard and picked up ECUs (2 of them).
I wanted to confirm that I put in the right ECU. So just now I called the Volvo dealer. Volvo told me that my correct ECU is:
- part number 5003780 if I have EGR
- part number 5003894 if I do not have EGR.
How can I tell whether I have EGR or not?
On the car, my ECU label says:
JETRONIC
91466 P01
Bosch
0 280 000 933
made in spain
AJ AJ
I have one extra
JETRONIC
3501687
Bosch
0 280 000 556
Made in germany
3 501 687
For your information, I also tried to put in fuel injector cleaner but did not change anything.
According to the record, timing belt was changed at 40,000 miles in 2008. I bought the about 2 years ago. Now the car has 65,000 miles.
Thanks again. After checking whether I have a correct ECU, then I plan to take the car to mechanic for timing belt check. Will let you know.
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