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View Full Version : Lean bank1 CEL????????

alexB
03-01-2007, 10:13 AM
Ok so I was driving my car all day yesterday with no problems. All of a sudden I had my car just sitting there idling at a complete stop and boom there it was. CEL. I had it ran it was lean in bank 1. What could possibly cause this? I know it is probably a whole lot of things but any suggestion would be greatly appreciated. Also I recently put some lucas fuel treatment stuff in my car. I put it in witha full tank and now am down to about a 1/4 tank. I am pretty sure I put a little more than called for also. Would this cause the problem?
njaremka
03-01-2007, 10:35 AM
you're probably looking at the MAF sensor.
Kansei
03-01-2007, 10:40 AM
o_O I got a CEL while just idling that went away the next day.. I hope when I get my car back it's gone. I know people talked about the possibility of the MAF self-destructing at a faster rate while relocated, but no one had actually had it die on them due to the relocation. I'll definitely run and get the code pulled if it happens again.
alexB
03-01-2007, 10:52 AM
you're probably looking at the MAF sensor.

I have been ruuning it relocated for a few months. Should I buy a \new one in case? I would really like to get a better(almost upgraded) one that would work better for the way I am ussing it. A blow-by type MAF. Anyone know of a place that sells them? If I do a search to find them what would I need for it to work? The right diameter, certain voltage, and ect. Thanks guys for the quick responses.
kicknmazdaspd
03-03-2007, 11:07 PM
It could be your down stream O2 sensor
alexB
03-03-2007, 11:18 PM
Well............... I had it cleared. Went and filled up. Full tank of gas. Driven almost 250 miles now. Nothing yet. How long would it take normally for it to pop back on? I think it was something to do with the Lucas fuel treatment. Not sure.
kicknmazdaspd
03-07-2007, 04:48 PM
mine came back on after a week, so I am going to try the non-fowler method.
GreySpeed
03-07-2007, 04:55 PM
I had the same CEL when my wastegate actuator failed.
alexB
03-07-2007, 05:47 PM
I had the same CEL when my wastegate actuator failed.
Well now that you mention it. I have been keeping my eye on that cuz I have also been having some mild idling issues. I did the old blow in the wastgate line trick. Seemed to have good pressure. But the other day I changed my sparkplugs(They NEEDED it bad). I know that should make my car run alot better. But I seem to be boosting about 9-10 psi everyonce in while. I am at stock boost. It was about 6-7 psi normally. I am gonna replace my wastegate actuator here very soon. When I get the funds$$$$$. ATP for the win!!!!(dance)