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Old 08-19-2011, 08:06 AM
darkcherrymetallic darkcherrymetallic is offline
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Re: Error codes P0101 and P0121

I think I'm starting to get somewhere. I will give it one more try and if I can't figure out by this weekend I think I'll just take it to a car shop. Some quick questions.

My MAP pressure according to my scanner is at a constant 29.025 Hg no matter what my RPM is. Could this be indicative of a leak, especially from the intake manifold? When I was screwing the intake manifold bolts back on I did not use thread lock as the instructions that I used from www.alldatadiy.com did not state so although it says to brush off the old thread lock. Can I get a vacuum leak from not using thread lock on the intake manifold bolts? What about where we put a dab of black rtv at the plastic end seals when replacing the gaskets. If not done properly, can a vacuum leak form from there?

Also, no matter what my rpm is the scanner indicates that my TPS position angle is at 0%. Averages for Long Term Fuel Trim=36.71875 % and Short Term Fuel Trim= 25%. I've checked the wirings and I do get a voltage of 5 with my multimeter for both the wires to the TPS and the MAF sensors. I haven't been able to get the proper resistant torx tools to take these two off, but I will be able to get the tools today. I will test them.

Any thoughts would be helpful. Thanks.

Last edited by darkcherrymetallic; 08-19-2011 at 08:36 PM.
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