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International Automotive Technicians Network
1994 Buick Roadmaster 5.7L No Start
Posted to GM Driveability on 11/5/2020 14 Replies

Helping a fellow tech working on his moms old Roadmaster. Very clean car. Has had this intermittent starting problem for awhile, but last year finally went to full time no start. Tech replaced several pieces including opti-spark, coil, ignition module and ...

14 Replies Received (View Replies)

  Related Documents & Media  1994 Buick Roadmaster

 
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car Vehicle Data

1994 Buick Roadmaster

VIN 1G4BN52P8R
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
SymptomsNo Start
OccursAlways

Trouble Codes

36OPTICAL RESOLUTION HIGH short to voltage
Message Closed

car Vehicle Data

1994 Buick Roadmaster

VIN 1G4BN52P8R
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
SymptomsNo Start
OccursAlways

Trouble Codes

36OPTICAL RESOLUTION HIGH short to voltage