help with codes

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Aug 2, 2007 | 11:53 AM

TXaggie09

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Joined: Jul 2007

Posts: 100

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From: College Station, TX

help with codes

I posted this in the 24v section before i noticed the help section, sorry for the cross-post

Alright so I have had my truck for a total of 2 days now and the dreaded check engine light came on so I did the little key trick to see the codes.

heres what i got:
P01693 and P0237

Does this mean my IP is going out or the LP or what? How can I check. I havent been able to get a fuel pressure gauge yet. Is there a schrader (sp?) valve somewhere on the fuel system to read the pressure that way or what?
According to the FAQ, p0237 is low boost pressure, but my boost gauge seems to be reading at normal levels.

Aug 2, 2007 | 09:22 PM

badme

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Joined: Nov 2006

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From: Claremont, NH

the P0237 could be the map sensor not sending the correct signal to the computer. This could be the map sensor bad, a wire issue, or the computer. The P01693 is for a companion code you will need a scanner to find out the other code.

Aug 2, 2007 | 09:29 PM

WRTN

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Posts: n/a

P0237 = MAP Sensor Voltage Too Low

P1693 = DTC Detected In ECM Or PCM (as already stated a companion code to alert you that either the PCM and or ECM has latched a code)

Aug 2, 2007 | 10:09 PM

AggieJustin

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Joined: Jul 2002

Posts: 2,242

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From: Celina, TX

If the Banks Ottomind is tapped into the MAP sensor, it could also be an issue with the Ottomind that is causing the ECM to see lower than spec readings. Have you tried disconnecting the Banks box once the codes are clear to see if it comes back?