[V8] Hesitation on acceleration

[Ed Kellock]

I second the OXS.  Also, if you suspect a rich condition, there's also the
ecu temp sensor on the back of the passenger side head.  When unplugged the
ecu assumes a default setting.  Maybe your's is unplugged or try unplugging
it and see if the behavior changes.

> -----Original Message-----
> From: v8-bounces at audifans.com 
> [mailto:v8-bounces at audifans.com] On Behalf Of Ingo Rautenberg
> Sent: Wednesday, December 31, 2008 11:42 AM
> To: Lawrence R. Gorman; v8-bounces at audifans.com; V8List Fans
> Subject: Re: [V8] Hesitation on acceleration
> 
> 
> My initial thought is oxygen sensor. Try unplugging the 
> signal wire to see if the symptom goes away. Mine did and I 
> hope to install a 4-wire one this weekend. 
> 
> Ingo Rautenberg
> 
> -----Original Message-----
> From: "Lawrence R. Gorman" <lawrence-gorman at uiowa.edu>
> 
> Date: Wed, 31 Dec 2008 12:16:54 
> To: v8 at audifans.com<v8 at audifans.com>
> Subject: [V8] Hesitation on acceleration
> 
> 
> One of my 90 V8s has developed a split-second hesitation on 
> acceleration 
> after it warms up. It always starts great and runs great when 
> it's cold. 
> It also runs great after the hesitation. The TPS has been 
> cleaned and I 
> replaced a couple of temp sensors, thinking the fuel mixture might be 
> too rich after warm-up.  This car sat for 6 or 8 weeks while the 
> xmission was replaced.  Before that there was no problem.
> I've found some list emails on similar problems, but, unless I missed 
> them, none where the problem occurs only after warm-up.
> Any ideas?  If anyone knows the answer, V8 listers do!
> Thanks for any help.
> Larry G.
> lawrence-gorman at uiowa.edu 
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