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International Automotive Technicians Network
1990 Plymouth Grand Voyager SE 3.3L Backfire
Posted to Chrysler Driveability on 1/4/2002 11 Replies

hi tech we `ve problem with this 3 days already . The cust came in with the poping sound . We replace the cat ,muffler and did the tune up with new plugs ,wires still the same sound . Then we subtitute a new map, coil pack , it`s run alittle better but at 20 -...

11 Replies Received (View Replies)

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car Vehicle Data

1990 Plymouth Grand Voyager SE

VIN GRANDVOYAG
Engine3.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
Emissionsca
SymptomsBackfire
OccursUnder Load, on Decel, on Accel
Message Closed w/FIX

car Vehicle Data

1990 Plymouth Grand Voyager SE

VIN GRANDVOYAG
Engine3.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
Emissionsca
SymptomsBackfire
OccursUnder Load, on Decel, on Accel