1996 f150 multiple codes

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Randy Barras
Posts: 2
Joined: Wed Jun 14, 2017 7:07 am
Vehicle: Ford f150 4.9l i6

1996 f150 multiple codes

Postby Randy Barras » Wed Jun 14, 2017 9:25 am

Hi guys,
As stated above, I have a 96 f150 with the straight 6 and the check engine light is on. It has generated 7 codes and they are as follows; PO153, 155, 171, 174, 401, P1405, P1151. Dont know if it is related but the needle only gets to the "N" on the temp gauge even after a brand new thermostat. Also replaced the PCV valve.
I am only a DYIer with a fair amount of mechanical skills and need some advice on where to begin.
Thanks,
Randy


kev2
Posts: 6584
Joined: Sat Aug 29, 2009 4:24 pm

Re: 1996 f150 multiple codes

Postby kev2 » Thu Jun 15, 2017 6:12 am


Randy Barras
Posts: 2
Joined: Wed Jun 14, 2017 7:07 am
Vehicle: Ford f150 4.9l i6

Re: 1996 f150 multiple codes

Postby Randy Barras » Wed Jun 21, 2017 9:51 am

Thanks Kev2,
EGR passed test.
Is it possible that engine operating (low) temperature is related to this or a separate issue?

kev2
Posts: 6584
Joined: Sat Aug 29, 2009 4:24 pm

Re: 1996 f150 multiple codes

Postby kev2 » Wed Jun 21, 2017 10:16 am

there is the gauge and the ECT the PCM sees not the same circuit, there are 2 sensors.

Ideally with a scanner look at the PCM for the ECT it is seeing, not the same as gauge.


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