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What's causing this?

BwolfGT

BwolfGT

New member
I've got a system too lean code on bank one only, checked the vac lines and they're good. I'm stumped, anyone?
 


Is this something that just started happening? Are your fuel trims pegged all of the time, or only some of the time?

We only have one bank, so it's just telling you the system's running lean. Could be a vac leak, bad MAF, exhaust leak, fuel pressure, etc, etc.
 
Last edited:
Scimmia said:
Is this something that just started happening? Are your fuel trims pegged all of the time, or only some of the time?

We only have one bank, so it's just telling you the system's running lean. Could be a vac leak, bad MAF, exhaust leak, fuel pressure, etc, etc.
Click to expand...

Think it might be the bad MAF. Anyone got one for sale?
 
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