Fuel in the vacuum lines. Pls Hlp.
ADAM212
12-16-2004, 04:38 PM
Fuel in the vacuum lines. Pls. Hlp.
93 Lumina Eng. 3.1 FI Runs great on the Hwy. but stalls on a traffic signal or stop sign. Start right up. Computer is giving me code 33 but vacuum line going to the MAP sensor is full of fuel. Fuel is also sipping thru the throtle body to the rubber tube going to the air filter.
Any suggestion will be greatly apreciated. Thank You.
93 Lumina Eng. 3.1 FI Runs great on the Hwy. but stalls on a traffic signal or stop sign. Start right up. Computer is giving me code 33 but vacuum line going to the MAP sensor is full of fuel. Fuel is also sipping thru the throtle body to the rubber tube going to the air filter.
Any suggestion will be greatly apreciated. Thank You.
Kooterskkar
12-16-2004, 10:35 PM
You need a new feul pressure regualtor. The seals busted wide open and is spewing feul into the vacuum chamber of the FPR. Its not hard to replace but it does take a little while. Mostly cuz its a royal pita to get the feul injectors to seat right when you put the feul rail back on.
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