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PO326 Knock sensor
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 |
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PO326 Knock sensor
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PO326 Knock sensor
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PO326 Knock sensor
You must have a lot of miles on your 2002 car for it not to be covered
under an emissions warranty. Are you subject to emissions testing where you live? Where I live has recently dropped the testing. We went to a reformulated gasoline. Before then, all aftermarket converters would not allow the car to pass. You get what you pay for. If you buy aftermarket, be sure to get the facts if the car will still not pass. James On Mar 3, 2:47 pm, 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 |
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PO326 Knock sensor
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PO326 Knock sensor
On Sun, 04 Mar 2007 11:25:08 -0500, RK Henry
> wrote: >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. Good tips, CAT's rarely plug up and when they do it is usually on a engine that has been running poorly for a long while too. I have yet to have one personally and I have run some past 200K and they still passed emissions too. ----------------- TheSnoMan.com |
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PO326 Knock sensor
On Mar 4, 2:25 pm, RK Henry > wrote:
> On 3 Mar 2007 11:47:12 -0800, 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 Henry 's post mentions cheap gas as a cause of this code and you say you just changed to reformulated gas! Can you still get regular gas and try resetting the code? If it is the cause it should go away after two tanks. |
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