Leaking noise coming from under intake manifold/behind head
#1
Leaking noise coming from under intake manifold/behind head
Checked the EGR vac hoses and it's not that, checked injector o-rings it's not that
Sounds like a really loud boost leak, the car idles rough, goes from 1800ish down to 1000, back up again after awhile. Service engine light is on as well.
anyone ever had a problem similar to this?
Sounds like a really loud boost leak, the car idles rough, goes from 1800ish down to 1000, back up again after awhile. Service engine light is on as well.
anyone ever had a problem similar to this?
#2
I had a similar problem, no CEL though. It turned out to be what looks like a brass circular cap that's pressed into the back of the throttle body. When I took out mine it had what I believe is a stepper motor, there's 2 small metallic parts that are a PITA to align correctly while putting back in. Put a little bit of Red RTV and pressed it back in. No boost leaks since.
#4
I had a similar problem, no CEL though. It turned out to be what looks like a brass circular cap that's pressed into the back of the throttle body. When I took out mine it had what I believe is a stepper motor, there's 2 small metallic parts that are a PITA to align correctly while putting back in. Put a little bit of Red RTV and pressed it back in. No boost leaks since.
P0171
system too lean, cylinders 1-4
says probable cause
Ignition system faulty
fuel system faulty - Injectors or pressure
Vacuum leak
Engine Mechanical Condition
for some background, the fic 1250's were just put in and the car is tuned on e85
Could my intake manifold gasket be causing a leak?
Last edited by Jax419; May 18, 2012 at 07:12 PM.
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