2002 s281 sc running rough and rough idle - Northern California Ford Owners

This is topic 2002 s281 sc running rough and rough idle in forum Tech Talk at Northern California Ford Owners .

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Posted by colbysvt (Member # 11093) on :

Friend has a 2002 saleen s281 supercharged it starts idles rough and shakes a bit but above 2k rpms it runs and drive fine it shows 5 codes all lean codes and one 02 sensor code stating the 02s are switched car was running great prior and all of this happened at once

Posted by SwEeT 03 Gt (Member # 10283) on :

do you happen to know the codes like p0110?

Posted by colbysvt (Member # 11093) on :

Codes
P0041
P0171
P1151
And two more i cant remember all are lean and 02 sensor codes
Problems happend after revving engine

Posted by S351-R (Member # 1605) on :

Sounds like it has a vacuum leak. That's what those lean codes usually mean. Un-metered air is entering the engine upstream of the MAF. PCV hose is a common culprit, but I would go ahead and check all the vacuum hoses.

[ August 30, 2012, 03:29 PM: Message edited by: S351-R ]

Posted by LS1EATR (Member # 2702) on :

quote:
Originally posted by S351-R:
Sounds like it has a vacuum leak. That's what those lean codes usually mean. Un-metered air is entering the engine upstream of the MAF. PCV hose is a common culprit, but I would go ahead and check all the vacuum hoses.

Posted by dohc90lx (Member # 11863) on :

seen them blow the plug out of the back of the intake too. dont forget to check that

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