Question about 2003 Chevrolet Impala

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How often do you need to change your spark plugs on a 2005 impala with 90k? They haven't been changed since I bought the car in 2006?

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The average suggested time is 100,000 miles. the plugs are designed to go this long. If you check your manual it may also recommend replacing the oxygen sensors about the same time to ensure the maximun fuel economy & make sure you don't have Check engine lights coming on in the near future.

Hope this helps
Farrout.

Posted on Jul 20, 2009

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Spark plug


OK, I'm going to give a little tough love here since you are asking questions that would indicate you haven't changed spark plugs before. If this is the first time you have changed plugs, you really need to enlist a friend that can guide you thru the process - its an easy job, but things CAN go wrong. A spark plug insulator can break when removing or installing the plug, The plug can cross thread and damage or even ruin the cylinder head leading to an expensive repair, Wires can get re-installed incorrectly, Do you have a gap tool to check the electrode gap? Sorry for the long diatribe. I just don't want to give advice that will cause you problems. Please reassure me!

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Change spark plugs


Need to ask a specific question,such as something your having
touble with

If you haven't even looked at the vehicle !

The plugs are under the COP Ignition Coils

They get changed every 3 years or not over
60,000 miles of use & use OEM type plugs

Any brand that is the correct center electrode
size,not all brands are the correct shape

Front O2 Sensors get replaced at 100,000 miles

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1 Answer

My 2005 chevy impala recieved a code of P1070 and I am unsure of what that means. I could really use some help. I believe I need to change the spark plugs could this cause the problem I have?


Unfortunately not the best news: A P1870 code means the transmission reporting to the computer that something is slipping.

You could try flushing / changing the transmission fluid & resetting the computer, but transmission service could be in your near future.

Hope this helps.

Feb 23, 2011 | 2005 Chevrolet Impala

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I have a 2005 Toyota Highlander V6 2WD. The car is due for a service (90K). The dealer quoted $340.00 for the service and suggested replacement of the timing belt for an additional $400. 1. Doesn't a...


I guess all services you need is replacement of filters, Oil, spark plugs if not recently changed
Belt replacement is worth at 90K, but price is too high! check this link: http://shop.autopartsfair.com/store/?N=11801+4294962486+1725+9318
it requires one hour work! or even less
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