1994 Ford Thunderbird "vacuum leak" Questions

vacuum leaks, it only takes a small leak to set the lean codes for the O2's and turn the check engine light on, I am a 25 Year Ford dealer tech and this is the common cause of O2 fault codes, to check

...vacuum leak, Lift the hood and listen for a whistle noise. It could be a hose that has rotted and is leaking , the PCV valve is bad, or maybe even upper intake gasket leak. pretty good chance of a ...

car idles at 3000 rpm its a 90 s Vacuum leak or possibly a leak at the intake. Check all the vacuum hoses first.

how to fix p0171 and p0174 in 1995 Thunderbird You have a vacuum leak somewhere, causing the car to run too lean. (too much air mixing with the fuel) Intake gasket, or vacuum hoses leaking.

...a Vacuum Problem, You need to Check the vacuum lines @ the Brake Booster, while car is running Listen for Air leak While someone Presses On Brake peddle, Either the Booster is leaking Or 1 of the ...

...leak think its going to brake booster but cant find it. 3.8 liter v-6 fuel injected motor Use a can of starter fluid and spray around your vacuum hoses while engine is running (spray very lightly). ...

...vacuum leak. To test you will need a small bottle of propane. Usualy comes in a blue can and a nozzle to control the flow out of it. Start the car. Pop the hood. Locate your vacuum lines. Move the ...

1986 t-bird. I just charged the air after not working for twenty years,Now the vacuume hoses are missdirected, also when I try to accelerate the motor dies. Vacuum leaks

my check eng lite says on my putter said its a po171 and po174 runs lean help Vacuum leaks,somewhere,causing your O2 Sensors to report a lean condition on both banks Check all your vacuum hoses

...vacuum lines. Often they leak. Sometimes it's the vacuum line to the transmission modulator as in the winter ice & snow buildup will pull it off or cause a leak. It may also be internal but check ...