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Slight burp/hiccup in swmoothness - plugs and wires? 05 Trailblazer

BoxMN

By BoxMN
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BoxMN Grand Master

BoxMN

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I have my 05 Trailblazer that gives slight "miss" almost, but not even that big. Just like a slight hiccup at idle or even notice it (sort of?) when at crusing speed.

It has 114k and never changed the plugs/wires yet. I know that is first thing, but I can't for a couple days. No check engine light, no stalling, not super rough. Would the wires and plugs being old do this? Should I not drive it until I put new ones in? Seems a bit worse in hotter temps (i.e. today when HOT compared to last weeekend).

Thanks for any advice.

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BoxMN Grand Master

BoxMN

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Thanks guys. Yep, put in new plugs - the expensive AC Delco - and running like butter again.

Funny thing, as a non-mechanic, I got home, popped the hood, and.... where the heck are the plugs?.... heh, I had no idea. I went over to the shop where the guys are friends and help me out, and told Paul I have the stupiest question he will hear all day - where the heck are the plugs?!?!? He just laughed, and showed me the diagrams. It said the time was listed at 2 hours, and I had it done within two hours, once I found them smile haha!

I like those coil packs and it was easy on this engine, but he said some aren't so easy. Anyway, learned something new once again smile

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