pg. 79 Service diagnosis
Condition: Dieseling
Possible cause Correction
Injector
leaking.
Check air sensor plate and rest pressure.*
Condition: Misfiring at highway driving
Possible cause Correction
Spark plugs
fouled.
Drive the vehicle in a lower gear and keep the engine rpm's higher for a few miles
in order to remove carbon deposit on the spark plugs. If this procedure is not
effective clean or replace the spark plugs if necessary.
Condition: Deceleration backfiring
Possible cause Correction
Diverter valve
faulty.
Check diverter valve operation.*
pg. 80 Specifications
Type designations
In all correspondence concerning your vehicle with the dealer and when ordering parts, the VIN number
should always be quoted
1 Vehicle Identification Number (VIN)
VIN plate is located on the body on the left windshield pillar. The VIN is also stamped on the right hand
door pillar.
2 Vehicle Emission Control Information
Your Volvo has been built to comply with all North American anti-pollution regulations and evidence of
this can be verified from the certification label on the left wheel valance. For further information
regarding these regulations, please consult your Volvo dealer.
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