New injector

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KTWelch - 09 Aug 2006 21:47 GMT

My 98 Century was running rough. Engine service soon light came on and
flashes. Mechaninc says I need new injector for no 2 cylinder. How much
should this cost? Is there any other cause for these symtoms? The car has
the 3.1 with SFI. Thanks for any input.

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Todd A. Delk - 10 Aug 2006 00:08 GMT

New injector will cost around 60.00 at a dealership not including the labor
which will run about 170.00. I had the same problem with my 02 Chevy s-10
4.3 v- 6 vortec.According to what you describe here, that is the same
symptoms I had. The cause may be a dirty/ clogged injector. Every oil change
I run 1 bottle of STP fuel injector cleaner and that keeps me from having
that problem any more.

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Todd A. Delk

>
> My 98 Century was running rough. Engine service soon light came on and
> flashes. Mechaninc says I need new injector for no 2 cylinder. How much
> should this cost? Is there any other cause for these symtoms? The car
> has the 3.1 with SFI. Thanks for any input.

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=?x-user-defined?Q?=AB?= Paul =?x-user-defined?Q?=BB?= - 10 Aug 2006 00:37 GMT

> My 98 Century was running rough. Engine service soon light came on and
> flashes. Mechaninc says I need new injector for no 2 cylinder. How much
> should this cost? Is there any other cause for these symtoms? The car has
> the 3.1 with SFI. Thanks for any input.

Injectors very rarely go bad. How does your mech know its a bad injector?
Did he swap them around, pressure test, pattern test, etc???
It could be just as easily a bad plug wire.

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steve_f - 10 Aug 2006 03:54 GMT

«» wrote:

> > My 98 Century was running rough. Engine service soon light came on and
> > flashes. Mechaninc says I need new injector for no 2 cylinder. How much
[quoted text clipped - 4 lines]
> Did he swap them around, pressure test, pattern test, etc???
> It could be just as easily a bad plug wire.

injectors on the 2.8 , 3.1, and 3100 commonly go bad .....not because
of contaminates clogging the injector but because the coatings on the
copper winding inside the injector wear dropping the resistence of the
injector . a good injector checked with a ohmmeter should be around
12.7 ohms .....a measure of electrical resistence.... anything lower
than around 12.2 is usually on its way to being bad...anything 11 ohms
or lower will cause a problem

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