Think i'm very lean!!!!
12-19-2007, 05:04 AM
#12
2nd Gear Member
Join Date: Sep 2007
Location:
Posts: 229
RE: Think i'm very lean!!!!
why does everyone keep saying stuff that would cause a dead miss.. like putting wires on wrong.. or no fuel to one cyl. he said it idles/ runs fine in the lower rpms. anyways. i would try to run some higher octane fuel in it and see if it goes away. is it spark knocking?
12-19-2007, 08:49 AM
#13
5th Gear Member
Join Date: Jan 2006
Location: Puerto Rico
Posts: 3,926
RE: Think i'm very lean!!!!
I know you mentioned "no codes"..... is it no codes, or code 11 (System Pass)? ..... run the KOER and Cylinder Balance tests (Cyl. balance twice in a row)... if the system is running lean, codes 41 and 91 should show up as KOER codes.
12-20-2007, 01:13 PM
#16
2nd Gear Member
Thread Starter
Join Date: Mar 2007
Location:
Posts: 185
RE: Think i'm very lean!!!!
Joel5.0
It shows codes for secondary air supply not functioning and egr not functioning properly, abd from what i have heard shouldn't affect me much. Cylinder balance test showes code 9 every time. It never showes lean codes though?
Tony
I don't know about the cam being perfect because i did not put it in the car, the previous owner did.
94StinkinLincoln
I have never thought about head gaskets being bad, but they aren't making any noise like ones i have heard in the past. We noticed a few cylinders did not do good in the leakdown test though.
It shows codes for secondary air supply not functioning and egr not functioning properly, abd from what i have heard shouldn't affect me much. Cylinder balance test showes code 9 every time. It never showes lean codes though?
Tony
I don't know about the cam being perfect because i did not put it in the car, the previous owner did.
94StinkinLincoln
I have never thought about head gaskets being bad, but they aren't making any noise like ones i have heard in the past. We noticed a few cylinders did not do good in the leakdown test though.
12-20-2007, 01:55 PM
#17
5th Gear Member
Join Date: Jan 2006
Location: Puerto Rico
Posts: 3,926
RE: Think i'm very lean!!!!
OK.....
No lean codes, cylinder balance = pass......... it's not the EEC.
You might want to "monitor" fuel pressure "on the go" = a gauge attached with an extension hose and routed in way that you can see it while driving. You could have the pressure OK idling and w/out vacuum...... but pressure could be falling trying to maintain the injectors volume under WOT....... BTW, what injectors are you using?
No lean codes, cylinder balance = pass......... it's not the EEC.
You might want to "monitor" fuel pressure "on the go" = a gauge attached with an extension hose and routed in way that you can see it while driving. You could have the pressure OK idling and w/out vacuum...... but pressure could be falling trying to maintain the injectors volume under WOT....... BTW, what injectors are you using?
12-24-2007, 06:21 PM
#18
2nd Gear Member
Thread Starter
Join Date: Mar 2007
Location:
Posts: 185
RE: Think i'm very lean!!!!
Everything about the fuel system is still stock. I have tested the pressure under WOT. It looks like it is maintaining good pressure, it stays around 40-41 psi at wot. Whatever my problem is, it shows itself more when the car gets warm. Are there any other electrical components that would lean it out in open loop?
