power loss 05 pacifica with 3.5
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Junior Member
Joined: Feb 2011
Posts: 2
power loss 05 pacifica with 3.5
I can not get above 10 mph. I have changed the EGR, Trottle position sensor, MAP sensor, an O2 sensor and I verified that 58 psi was at the engine using a fuel pressure test kit. I need help. The car seems to run worse after changing all these things. Now when I press the gas you can hear the engine bogg down and then it stalls. I still have a bank 1 sensor 1 and a bank 1 sensor 2, which is the one i changed, code. 
i am out of things to try.
i am out of things to try.
Senior Member
Joined: Jul 2010
Posts: 1,234
From: Tennessee
Clogged catalytic converter. Im guessing...uh...Bank one? Sounds textbook to me. Off to Meineke you go! 
Stop driving it before you melt something or even kill your engine. Things get HOT!
Stop driving it before you melt something or even kill your engine. Things get HOT!
Last edited by TNtech; Feb 12, 2011 at 08:47 PM.
Senior Member
Joined: Dec 2010
Posts: 992
From: NE PENN
Alright TN.......If these guys would post in the proper spots , You wouldnt have "Jacked" my "SPOT"
Its all good
Its all good
58 psi at idle??????
2 things....Take the gauge, route it up under the hood and tuck it under the wipers, so you can see it from inside the car....(MAKE SURE YOUR CONNECTIONS ARE TIGHT< AND NO LEAKAGE) Now...drive the car, and make sure the pressure doest dump when you accelerate......
2)...Remove BOTH 'PRE-CAT" o2 sensors , and drive the car. If there is an improvement when you allow the exhaust a place to escape you will be expecting a plugged converter......Only long enough to evaluate your issue...Any exhaust leak is a potential fire hazard.
2 things....Take the gauge, route it up under the hood and tuck it under the wipers, so you can see it from inside the car....(MAKE SURE YOUR CONNECTIONS ARE TIGHT< AND NO LEAKAGE) Now...drive the car, and make sure the pressure doest dump when you accelerate......
2)...Remove BOTH 'PRE-CAT" o2 sensors , and drive the car. If there is an improvement when you allow the exhaust a place to escape you will be expecting a plugged converter......Only long enough to evaluate your issue...Any exhaust leak is a potential fire hazard.
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paul.siwek
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Nov 24, 2007 03:02 AM
