Intermitant chk eng light

Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.

typhoon5000

Ferd Enganear
Joined
Mar 8, 2006
Messages
1,448
Reaction score
920
Location
Shelby, MI
ok, over a month ago my check eng light started to come on once in a blue moon, not for too long, prob. less than 1 min. I got it scanned and the codes read that it was running lean on both banks. me and the mechanic I know thought it was probably an air leak somewhere. So I loosned all of the intake hosing up to the manifold and made sure it was all tight together and tightened everything down good. the light didn't come back until about 2-3weeks later up to now. and it has become more frequent everyday and stays on for a longer period. I'm assuming it is the same code so I've been checking all of my vacuum lines and anything else intake related. BTW the head to intake manifold gaskets were replaced in March when I did my 60k and the light didn't come on until June. I noticed that the light seems to go on or off when I hit larger bumps in the road (which there are alot of in Dearborn, MI) And I don't loose any fluids. Any Ideas?:confused:
 
Last edited:

jbeano

SHO Member
Joined
Jun 6, 2002
Messages
125
Reaction score
2
Location
Caledon, Ontario
How old are the O2s. That might be your problem. Also check to make sure the wires on the MAF sensor are clean. This can also cause you to run lean.
 

Forum statistics

Threads
107,077
Messages
1,181,197
Members
16,142
Latest member
Kaevorlly

Members online

Back
Top