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2005 mustang gt fail safe mode @ 3k RPMS

2583 Views 16 Replies 4 Participants Last post by  toorbeenee
P2106 P0610. Goes into this after 3000 rpms. Replaced the throttle body from a working 13000 mile car with no difference. I am rebuilding this car from a wreck. I replaced the broken air box with a new klm cold air return. When I first got it installed the car ran great for 2 days. Also some of my wires in the lighting harness the plugs ect have been torn loose. I have carefully taped all the broken wires during these tests. Whats some more options to solve this? Is it the Cold air return? Someone said it was a throttle body for sure. As you can see no, wasted money. HELP and thanks
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Why are you using a lighting harness? That could be the problem.
2106 is throttle body related. P0610 may indicate a bad PCM.
When you PCM. On board computer? Whats it stand for. Not up yet on all the lango:headscratch:
When you PCM. On board computer? Whats it stand for. Not up yet on all the lango:headscratch:
Yes that's your computer that is just next to the fuse box under the hood. Silver box with three plugs in the front.
Or, it's a short somewhere in the main harness.
This mustang had the hood missing for some time as a wreck until I bought it. I had alittle water in my oil from this neglect. I changed the oil and finally the water was gone. What about this box getting rained on? Could the plugs be cleaned and re seated or is my thery all wet. Whats your thoughts on this?
Yes, if the electronics got wet, that would be an issue. TPS. MAF sensor, throttle motor harness, PCM, coils.

Have you pulled and inspected the plugs yet?
This mustang had the hood missing for some time as a wreck until I bought it. I had alittle water in my oil from this neglect. I changed the oil and finally the water was gone. What about this box getting rained on? Could the plugs be cleaned and re seated or is my thery all wet. Whats your thoughts on this?
It's worth a try to clean the plugs. :scratchchin
No i will. What am I looking for
Check for damaged/broken electrodes and signs of carbon or fuel fouling. Here's a good guide to plugs.

http://www.spark-plugs.co.uk/pages/technical/diagnosis.htm
I was talking about cleaning the plugs going into the PCM....:shigrin
I was talking about cleaning the plugs going into the PCM....:shigrin
If water got in, it ain't going to help a thing.
If water got in, it ain't going to help a thing.
+1 on that,,,,maybe you should try painless wiring harness and separate the engine from the whole car....i know painless makes a complete wiring harness for the 3v...:bigthumbsup
+1 on that,,,,maybe you should try painless wiring harness and separate the engine from the whole car....i know painless makes a complete wiring harness for the 3v...:bigthumbsup
Do you have a website for it?
Do you have a website for it?
now i am looking all over for it :headscratch:,,,i know i have seen it :scratchchin,,,my friend is a dealer for painless down here...i have asked him and he will tell me by the end of the day...i will post it the moment i get the link:so
got it...it was ford Racing not painless,,,,$1350,,harness with pcm:bigthumbsup

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