check engine light on

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Mar 3, 2008 | 04:39 PM

help me

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Joined: Sep 2007

Posts: 31

check engine light on

check engine light came on a while ago went to orielys and checked the codes and it said both banks to lean. but it drinks gas like crazy. so i was thinking the O2 senser?anyway anybody ever use those O2 simulators?

Mar 3, 2008 | 06:37 PM

help me

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Joined: Sep 2007

Posts: 31

RE: check engine light on

sorry prolly should say this is 97 f150 with a 5.4l

Mar 4, 2008 | 02:49 PM

btexpress

Joined: Dec 2007

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RE: check engine light on

NEVER buy a sensor based only on a code. Check for vacuum leaks or other problems that will cause lean codes. Especially the PCV rubber connection to the intake manifold.

Mar 23, 2008 | 07:09 PM

help me

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Joined: Sep 2007

Posts: 31

RE: check engine light on

replaced pcv elbow to intake. cleared codes and 30 miles light came back on. now it says the O2 heater is malfunctioning so any ideas would be greatly appretiated. thanks