Are there any symptoms that indicate when to change the plugs in a 2005 Corvette?

gwylie
0

Asked by gwylie Feb 24, 2014 at 07:03 PM about the 2005 Chevrolet Corvette Coupe

Question type: Maintenance & Repair

I have 156,000 miles on mine and can't detect any misfires or weakness when accelerating.

6 Answers

Tom Demyan
90,835

If they never been changed. it's time. But if it's running fine, they might be OK, and were replaced a while ago. Only way to know is to pull one or two and inspect them for wear or signs of lean or rich condition.

1 out of 1 people think this is helpful.
Jason Zane
3,325

i just change mine every 50K to avoid any fusing of the plugs. they need to be turned out to avoid electrolysis or corrosion. if that occurred, they will be very difficult to get off.

1 out of 1 people think this is helpful.
Jason Zane
3,325

oh.. use anti-seize compound on the new plugs to make easy removal in the future.

1 out of 1 people think this is helpful.
gwylie
0

Thanks to both of you for your help! I am the original owner and know they have not been changed out yet. I bought the new plugs at 100K but it has run so well that I've been waiting for some sign of a miss to replace them. Are there any tips I should know about as I tackle this project? The last ones I changed were in my C3.

steveq
605

I had no noticeable signs with my 2004 SUV with 122,000 miles. I just took it in to have them replaced & found that two of them were cracked. I get much better gas mileage now.

Sarge_AZ
275

Or you could follow the recommended maintenance schedule in your owners manual.

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