Quote:
Originally Posted by MrFairlady
Ok - Found my the damn 'T" off the valve cover had popped out of the damn thing.hoses still connected but the "T" was Seperated.
Wonder if that would cause a lean idle??.
So basically my catch can routing from the intake to the "T" - to the block (PCV exhaust Side) was off.
trying to Register my old Datascan software to see if the o2 is working again but from what I'm told this freakin car dosen't even need an o2 sensor.
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Sounds like a vacuum leak from the OP
I bet you fixed it now, check for other vacuum leaks.
If your 02 is working right then that is definitely what is causing it.
Think about it...something at low / light load is allowing extra air into your combustion chamber which is elevating your AFRs...
or your fpr is failing and you are losing fuel pressure in low load regions but this is much less likely