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Old 03-14-2009, 05:06 PM   #1
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Default having some problems

hey I am new to this whole mechanic thing but I am getting the hang of it I have an 02 bonneville se and I have had the p0171 code that I have seen on here before and I have replaced maf sensor the o2 sensor and the spark plugs and wires I also checked out the resistence on my coils and everything seems to be normal well my car still doesnt have very much acceleration and I have noticed last night that my manifold was glowing red what do you guys think it could be caused by
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Old 03-14-2009, 05:24 PM   #2
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171 Fuel Trim lean

In most cases this is a vacuum leak. Start your engine and spray carb cleaner around all the hoses and connections, be sure to get the EGR tube as well. If the RPM goes up, you found the leak.

Tread moved to correct area.

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Old 03-16-2009, 08:09 PM   #3
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So what you are saying is that you don think it is a clogged cat because I don really know where all of the vacum hoses are to spary the carb cleaner on to if can can you give me some help on locating or tell me where the main one should be
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Old 03-16-2009, 08:51 PM   #4
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Quote:
Originally Posted by gmiller34120 View Post
So what you are saying is that you don think it is a clogged cat because I don really know where all of the vacum hoses are to spary the carb cleaner on to if can can you give me some help on locating or tell me where the main one should be
The vacuum hoses are pretty much located near the top of the motor. They are either rubber or semi rigid plastic. Find a hose, spray it. The carb cleaner is not going to damage anything. Just keep it from spraying directly down the throttle body and don't be too liberal with it. All you need is a quick shot here and there.

Please add your year and trim of your vehicle to your signature line. That way when you start asking questions in other areas of the forum, we all have a better idea on how to assist you. Click on "Quick Links" above, go down to "User Control Panel" and then click on "Edit your Signature" It'* pretty straight forward from there.
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