H&S Intercooler Pipe Issues
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Cross-Country
Joined: Feb 2019
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H&S Intercooler Pipe Issues
Installed the H&S Intercooler pipe upgrade kit and now I'm getting a P007D CEL. The pipe is on good and the truck runs well other than the CEL and white soot on my tailpipes. I've checked the following: 1) Swapped the IAT (Incoming Charge Air Temp Sensor) - no difference. 2) Tested the old IAT with a hair dryer (works fine with resistance dropping as it heats up). 3) Truck wiring - get ground (0 volts) on one pin and 4.96V reference on the other. 4) Scan tool cleared the code and comes back after restart showing -39C on IAT1 and IAT2 when looking at data. Contacted H&S and they say they've never seen this and to let them know what I find out (less than helpful). Do the wizards on the forum have any ideas? Getting ready to swap back to OEM pipe to see if it goes away...
Thread Starter
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Cross-Country
Joined: Feb 2019
Posts: 70
Likes: 3
Put the stock Intercooler pipe back on and still throwing same code. Shows IAT1 and IAT2 have -39C temp. Could the two sensors have a ground problem at the ECU? Both have good ground at the sensors themselves. 4.97V reference at IAT1 and 4.76V at IAT2 on the MAF sensor which I believe holds the IAT2 sensor also.
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