Thread: Need help with a 94 Buick Park Avenue

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Check the fuel filter first

I will need to know the 8th digit of the VIN Number before I can give you the codes.

• Turn ignition switch to OFF position
• Locate Data Link Connector (DLC), see image below.
• Jumper the A&B terminals(a paper clip or a jumper wire work ok)
• Turn Ignition switch to ON position.
• Count the flashes on the "CHECK ENGINE" or "SERVICE ENGINE" light.
• FLASH, pause, FLASH, FLASH = code 12
• NOTE: Some 94 & 95 models do not have the B terminal. In which case a scanner is required.
• NOTE: Some 94 & 95 models that DO have the A & B terminals still require a scanner.
• All vehicles after 96 are OBDII,and require a scanner to access them.

this is what you asked for but I agree with Corvette64 in that its probably in the fuel. the computers just don't give that much trouble anymore.