SVTContique
New Member
So i was having some issues last fall, i thought it was my fuel pump going out causing me to run lean but it turns out it was my MAF was dirty. Anyways, before i figured that out i swapped my old 255LPH pump for an Aeromotive 340LPH pump.
The car has not really run right ever since then, I couldnt figure out if it was the MAF or something with the fuel. What happens is sometimes the car will be pulling fine, and then all of the sudden my AFR will just jump from 11.1ish to over 12 (lean). Usually this happens at higher RPM's but it seems to do it randomly.
Here is my question, is the 340LPH pump flowing too much and causing my FPR to fail? Could this be my MAF?
I have no CEL, its not a spark issue because its so random.
Thanks for the help.
The car has not really run right ever since then, I couldnt figure out if it was the MAF or something with the fuel. What happens is sometimes the car will be pulling fine, and then all of the sudden my AFR will just jump from 11.1ish to over 12 (lean). Usually this happens at higher RPM's but it seems to do it randomly.
Here is my question, is the 340LPH pump flowing too much and causing my FPR to fail? Could this be my MAF?
I have no CEL, its not a spark issue because its so random.
Thanks for the help.