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1991 Volvo 940 T 2.3L Hesitation, Surge, Misfire
Posted to European Driveability on 12/6/2012 24 Replies

Customer complaint is car surges, hesitates, bucks and backfires. Test drove car to verify [...] starts and runs fine cold for first 5 [...] about 5 min thats when problems start. Once it reaches operating temp it runs fine [...] a code for o2 sensor and found...

Summary posted 1/6/2013

24 Replies Received (View Replies)

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car Vehicle Data

1991 Volvo 940 T

Engine2.3 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
SymptomsHesitation, Surge, Misfire
OccursOn Accel, During Warm-Up