Question about 1996 Chevrolet Suburban

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I have a 1996 chevy suburban with a 5.3 liter engine and I have a check engine light that comes on intermitantly when I run the codes I get the following codes: P1133 CHEVROLET - O2 Sensor Bank 1 Sensor 1 P1406 CHEVROLET - EGR Valve Pintle Position Circuit P0700 CHEVROLET - Transaxle Control System Malfunction P1192 - Voltage External I do have an exhaust leak between the headers and the exhaust pipe on the drivers side other than that I just had a tune up about 3 months ago. the check engine light started coming on about 3 weeks ago and when it comes on it stays on for a day at most and goes off then stays off for a few days then comes back on. I don't know if all the trouble codes are from the same problem or multiple issues so any help would be greatly appreciated. Thank you in advance for any help anyone may be able to provide.

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Posted on Jan 02, 2017

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SOURCE: Engine stalling while stopping

torque converter lockup stuck time for a new converter transmission rebuild

Posted on Jun 08, 2008

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SOURCE: I have trouble codes P0700 (transmission control

P1192 Post-catalyst Fuel Trim System Bank 1 Check your Oxygen Sensor Heater Circuit, could be dirty or loose wires or just stop working. Usually you have 4 of these under your car so check all. Fault Code P0700


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Here's what my service manual says:

EATX Controller DTC Present

This SBEC III or JTEC DTC indicates that the EATX or Aisin controller has an active fault and has illuminated the MIL via a CCD (EATX) or SCI (Aisin) message. The spscific fault must be acquired from the EATX via CCD or from the Aisin via ISO-9141.

Here's what I know: MIL=malfunction indicator light; DTC=diganostic trouble code; CCD=Chrysler collision detection. Beyond that, I'm clueless. Sounds like it needs to be read out at the dealer. Then again, if it was a one-time glitch, it might clear itself after several drive cycles.

Posted on Feb 18, 2010

  • 29 Answers

SOURCE: 2001 Dodge Grand Caravan 3.3 Motor 4 Speed

Replace the transaxle or see if it can be rebuilt. Those transaxles have incorporated electronic solenoids that can fail causing the codes to appear as you described. One thing you might check prior to getting it rebuilt or replaced is have the computer checked and check all of your wiring connections. Anytime you have a wiring connector on the exterior of the vehicle you can get corrosion issues it may be simply cleaning the connectors, placing dielectric grease on them and reattaching. Before cleaning any connectors always disconnect the negative battery terminal.

Posted on Jan 14, 2011

Transdoc
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SOURCE: i have 2 codes coming

Will most likely have to replace the egr solenoid assembly to cure the 1406 code. The 1886 is trans slip code.

Posted on Jan 20, 2011

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SOURCE: code p1406 valve pintle position open

Unless you use a scan tool to clear the fault, it will not go away by itself until 40 consecutive warm up cycles have been completed without a fault. You can go to Autozone and they will clear the alarm for you. You can also clear it by disconnecting the PCM ( powertrain control module ) battery feed.

If the alarm returns after they've cleared it, the problem still exists. If the old EGR valve showed signs of excessive heat on it, check the exhaust system for blockage. The catalytic converter may be blocked.

Posted on Mar 30, 2011

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Can anyone tell me what this is on my suburban?


That is the ODB11 Code Reader Port. When your engine malfunction light comes on, you attach a code reader to that socket and the machine give a P Code. That code tells the problem as stated from the ECM (engine control module.

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Hi Jeff
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Sounds like Idle air control sensor bad, All of your codes interact, I would start with 02 sensor.

I would locate a Tech II and run a diagnosis, eliminate guess work.

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