Change 3 of 6 spark plugs, Venture 2002

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Auto - 27 Dec 2007 02:45 GMT

I want to change my spark plugs in my Venture 2002, but the back 3 are too
hard to get at. Is there any good reason that I can't at least replace 3
of the 6 plugs. Or is it all or nothing deal? I will be selling the van
in a year from now, so will put a cheap pair of plugs to replace. (I been
getting bad mileage recently, so replace air filter, which was in a sad
shape. Also, put fuel injector cleaner in the gas). Thanks

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boxing@sasktel.net - 27 Dec 2007 05:20 GMT

if your van is mis-firing then you could get away with just replacing
the plugs that are defective. Most people replace all the plugs at
once.

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philthy - 30 Dec 2007 00:38 GMT

plan on doing those wiores at the same time
you will tear the boots pulling them off in the rear
dropping the exhaust pipe really speeds up the job

> if your van is mis-firing then you could get away with just replacing
> the plugs that are defective. Most people replace all the plugs at
> once.

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John S. - 27 Dec 2007 06:50 GMT

> I want to change my spark plugs in my Venture 2002, but the back 3 are too
> hard to get at. Is there any good reason that I can't at least replace 3
> of the 6 plugs. Or is it all or nothing deal? I will be selling the van
> in a year from now, so will put a cheap pair of plugs to replace. (I been
> getting bad mileage recently, so replace air filter, which was in a sad
> shape. Also, put fuel injector cleaner in the gas). Thanks

From your description it would seem that your van has accumulated a
lot of deferred maintenance. Replace them all. And replace all hoses
and belts if needed. And replace fluids and filters as needed. Etc.,
etc.

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jfrancis311@gmail.com - 28 Dec 2007 00:56 GMT

why would you replace 3 of 6 spark plugs with CHEAP plugs and expect
to get better gas mileage? if you are going to half a.s it, don't do
it at all.

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sdlomi2 - 28 Dec 2007 03:28 GMT

>I want to change my spark plugs in my Venture 2002, but the back 3 are too
> hard to get at. Is there any good reason that I can't at least replace 3
[quoted text clipped - 4 lines]
> getting bad mileage recently, so replace air filter, which was in a sad
> shape. Also, put fuel injector cleaner in the gas). Thanks

If it has the original GM plugs with the tiny platinum tip and less that
100K on it, they'll possibly be better, used, than new aftermarket plugs
anyway. s

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