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What does code PCM P1336 on Cadillac Deville - Cadillac Cars & Trucks

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  • Cadillac Master
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6ya6ya
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motor1258
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SOURCE: Check engine light on, 1997 cadillac Deville.PCM codes

PO135 is oxygen sensor Bank1 sensor1. PO404 is EGR.
personally, I'd pull EGR off, clean pintle good with throttle body cleaner or carb cleaner, re-install, erase codes & try it for a while & see if it code(s) come back.

Posted on May 07, 2009

redbeard00
  • 957 Answers

SOURCE: 94 Cadillac DeVille: Car would only run for 20

When the car has the crank/no start, at that point see which is missing. Test for fuel and spark. I think it has to do with fuel, a tired fuel pump or relay. But remember to check the oil sending unit. If it fails it will shut down the fuel system.

Posted on Jun 18, 2009

1fastbob
  • 301 Answers

SOURCE: my 2001 cadillac deville keeps giving me dtc code system to lean

Anytime I get a too lean DTC I first change the fuel filter if it hasn't been changed in awhile. You'd be surprised how many times this has helped.

Good Luck with it.

Bob

Posted on Oct 22, 2009

  • 173 Answers

SOURCE: Where is the pcm located on the 1998 cadillac

pcm is under the hood wher the air filter is

Posted on Apr 03, 2010

bluebirdmate
  • 1190 Answers

SOURCE: PCM location on 2004 Cadillac DeVille

in the air cleaner assembly

Posted on Aug 13, 2010

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1 Answer

Just did a tuneup new wires and plugs how do I


Turn the key on. Hold off and warmer on the climate control until all the lights light up. It will now read out all the codes in all the computers. Let it go until it reads (PCM?). Now push up on the blower speed. It will read PCM DATA. Now push down (I think 3 times) until it reads CLEAR CODES. Now push up on the blower speed. It should read PCM CODES CLEARED. Now turn the key off.

Apr 22, 2010 | 1997 Cadillac DeVille

1 Answer

1999 cadillac deville 4.6 northstar the engine is misfiring but i have no codes coming up


That does sound strange but when a computer is bad no codes will be showing up and the engine will still run but not the greatest
Have the PCM checked out

Mar 13, 2010 | 1999 Cadillac DeVille

2 Answers

My 2001 cadillac deville keeps giving me dtc code system to lean


Anytime I get a too lean DTC I first change the fuel filter if it hasn't been changed in awhile. You'd be surprised how many times this has helped.

Good Luck with it.

Bob

Oct 22, 2009 | 2001 Cadillac DeVille

2 Answers

Check engine light on, 1997 cadillac Deville.PCM codes


PO135 is oxygen sensor Bank1 sensor1. PO404 is EGR.
personally, I'd pull EGR off, clean pintle good with throttle body cleaner or carb cleaner, re-install, erase codes & try it for a while & see if it code(s) come back.

May 07, 2009 | 1997 Cadillac DeVille

1 Answer

I would like to find out what error codes e26 e27 e52 mean on service soon of 1986 Cadillac Deville


E26 - Shorted Throttle Switch Circuit
E27 - Open circuit in throttle switch
On these 2 codes replace the TPS and clear codes (throttle position sensor).
E52 PCM/ECM Memory Reset
Have u cleared the memory? don't worry about this code.

Apr 08, 2009 | 1987 Cadillac DeVille

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