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2000-2005 Discuss your 2000-2005 Bonneville SE, SLE, and SSEi Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 09-18-2007, 11:18 PM   #21
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Quote:
Originally Posted by bonnie94ssei

IAC when warmed up @ idle: between 7890. and 8254. (stayed at 7890. most of the time)

LTFT at WOT: 6.2

O2 at WOT: highest of 885 (should be around 915-925 correct?)

Timing advance: max of 10.5-11
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Umm....

i have NFC what readings your IAC is in but they should never be below 50 at idle....your readings are VERY weird

LTFT'* should be close to 0.0 at WOT but i see various LTFT'* on my car too

your 02'* are LOW

Timing should be at 14-15 at WOT

Pete are you coming to Bills this weekend?
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Old 09-19-2007, 09:58 AM   #22
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Well I know where things SHOULD be. My LTFTs have been as low as 0.7 and 3.1 while just cruising normally, but WOT is 6.2 always.

I don't understand my IAC readings either. On my CP9110 it displayed 2 digit numbers. This gauge is showing 5 digit numbers. For example, while driving I will have a reading of 17249 on my IAC. IDK WTF that means and the instruction book doesn't give units. Does anyone know what these mean??

I really think my misfires, though not very large misfires, are a major problem here. I'm guessing that'* why I'm running lean. I'll have to check out my ignition this weekend.

I'll be at Bill'*. Friday night if possible.
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Old 09-19-2007, 10:15 AM   #23
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Your IAC numbers are off the known scale according to the 4-5 Aeryoforces I've seen.

Let'* do this.. we can't diagnose anything this way. Get a couple more days out of it.. get to my place and we'll get a full blown scanner on the car.

Friday night TJ, wife and brother are arriving. Pat as well.. and now Petimus... LOL it'* going to be an interesting weekend.
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Old 09-19-2007, 10:17 AM   #24
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FYI, that'* how my IAC numbers are....
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Old 09-19-2007, 10:27 AM   #25
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And you have the same gauge as me. IDK, maybe someone can fill us in on what units they are in.
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Old 09-19-2007, 11:29 AM   #26
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Where'* the instructions? IIRC it says in there.
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Old 09-19-2007, 12:08 PM   #27
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FYI - I might stop by on Sunday with the wife and kid for a parts delivery. JT'* bro needs a mirror backing plate and Gumy needs the mirror glass. The plan is to stop by and drop off parts, then introduce the family to Robin.... We're taking a ride to Palmer to go test driving. FYI2 - Bertera Chevy has two Black GXPs and one 03 SSEi. We're going to look at a couple of GTPs.
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Old 09-19-2007, 01:53 PM   #28
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Quote:
Originally Posted by BillBoost37
Where'* the instructions? IIRC it says in there.
Nope, just says "IAC POSITION: Idle Air Control counts (position of IAC valve)"
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Old 09-19-2007, 10:01 PM   #29
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Driving around town tonight, watching my LTFTs. Getting some WACK readings. Cruising around 30mph always has gotten me 3.1 and sometimes 5 at the highest for LTFT. Tonight just idling I saw 10.9+, and a max of 15.6.

Got some gas, drove home, and they were on the opposite side at 10.9 and 15.6.

WTF.

EDIT: Wait a minute....I wonder if this is because I was really low on fuel, basically driving on a 1/2 gallon of gas when I saw 10.9 - 15.6. After I filled up with 17.5 gallons, I saw the negative readings.
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Old 09-20-2007, 10:06 AM   #30
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Remember to check fuel pressure.
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