why is my escape running lean

5

Asked by Jan 04, 2014 at 11:53 PM about the 2001 Ford Escape XLT 4WD

Question type: Maintenance & Repair

I had a po1136 code, running rough at idle and
stalling, checked intake for leaks, and vacuum
leaks as well, after repeating intake cat ran
better but now I'm getting po1131 & po1151
with a misfire in #5&6 cylinders and the front
catalytic converter gets red hot there are three
brand new cats on this vehicle with less than
20000kms on them

6 Answers

222,955

The misfires will make the cats glow as unburnt fuel is being dumped into them. Change out the coils on #5 and #6 and your spark plugs if they haven't been done. Clean your MAF for the P1151 with CRC MAF cleaner.

1 out of 1 people think this is helpful.
5

Maf was cleaned new air filter and all plugs new and new coils on 1,3,5 when the new cats were installed. The codes seem to change on a daily basis?

5

Maf was just cleaned before the cats got red, last week it was cylinder #1 misfire?

222,955

http://www.justanswer.com/ford/265el-changed-coil-packs-plugs-cylinder- getting.html

1 out of 1 people think this is helpful.
23,075

You're really going to need to hook it up to a diagnostic computer so the Fuel Trim and other monitors can be watched while the engine is running. Obviously, guess work hasn't fixed it yet.

5

Thanks for all the help and suggestions now all I have is random/multiple misfires but running better and not heating up the cats

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