Re: PO326 Knock sensor

On 3 Mar 2007 11:47:12 -0800, stefanbodony@xxxxxxx wrote:

I have a car dealer who tells me that this code is coused by a blocked
cat converter. ($853.) WHOW. Has anyone had this similar problem code
and what resolved it. My Saturn is year 2002 SL engine L25 1.9LL4

There are other tests for a blocked cat that should be performed
before laying out that kind of money. If they don't want to test
before replacing expensive parts, I think I'd go get another opinion.
I can't see how you could conclude that the cat is bad with the P0326
code, especially if that's the only code. The service manual for my
'97 Saturn lists these as possible causes for P0326: Valve Lifter
Noise, Belt Tensioner Noise, Loose Brackets, Cheap gas, Scuffed
Cylinders. The system tries to correct noises the knock sensor hears
by retarding spark. If it can't eliminate the noise by retarding, it
sets the code.

RK Henry
.

Relevant Pages

  • Re: PO326 Knock sensor
    ... There are other tests for a blocked cat that should be performed ... '97 Saturn lists these as possible causes for P0326: ... Noise, Belt Tensioner Noise, Loose Brackets, Cheap gas, Scuffed ... Henry 's post mentions cheap gas as a cause of this code and you say ...
    (rec.autos.makers.saturn)
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    (comp.home.automation)
  • Re: catalytic converter
    ... His over-the-phone opinion is I'm not having cat problems, ... found this site while I was still looking for another Saturn. ... ergo increasing weight. ...
    (rec.autos.makers.saturn)
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