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post #1 of 6 (permalink) Old 06-26-2013 Thread Starter
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computer codes

Pulled these codes. 12 22 41 91 33. Crazy thing is i replaced iac and egr and no different so i took them back. Also i have an 88 and they dont have map sensors. Still lost here.

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post #2 of 6 (permalink) Old 06-26-2013 Thread Starter
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Correction i was thinking about maf sensor. Sorry. Any ideas?

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post #3 of 6 (permalink) Old 06-27-2013
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Best explanation for your codes is here. SBFTECH.com Experienced Small Block Ford Tech - Index

Do an advance search to find the cause of the codes.

Mustang Monthly Jan 2015- Feature
5.0 Mustang & Super Fords July 2005
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post #4 of 6 (permalink) Old 06-27-2013 Thread Starter
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12 idle control fault
22 MAP sensor circuit out of range
41 oxygen sensor indicates always lean
91 no oxygen sensor switching detected
33 throtle position sensor noisy/harsh on line

Ive had my ideas of what this is pointing to but i would like others opinions. Thanks!
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post #5 of 6 (permalink) Old 06-28-2013 Thread Starter
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Nothing? I was thinking about replacing the fuel pump since i have already tried the tps egr iac map.
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post #6 of 6 (permalink) Old 06-28-2013
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What's the fuel pressure? What is the timing set at?

Matt

2006 GT - Vortech polished w/ intercooler, Eibach suspension, Hurst short-throw, some other goodies - tuned by Paul's High Performance. It moves...

and it collects dust admirably while parked for repairs in the garage...

SOLD - 1995 Black Mustang GT, AODE. Loved it, but I had to let it go...

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