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Plug wires, ifnition coil pack??

I get good results with ngk/ntk ordered from Amazon at about $70 if I remember correctly.

Still chasing this sputter/hesitation... 1 Thoroughly cleaned throttle body, front and back. A bit of improvement resulted. 2 Replaced crankshaft position sensor. A bit of improvement again, but not perfect. 3. Replaced camshaft sensor. Again, a bit of improvement, but still hesitates a vit...

And it does not happen at high rpm accel.

Yes, clean filter. Have no hood insulation. Good ideas though. Thanks.

It happens from.standing start when cold, then only when accelerating from slow rolling in 2nd and third at temp . I did not remove throttle body when spray cleaning, so back sidw may need it. Will try... Thanks!!!

2008 JKU X, 6 speed stick, no major mods, just 18 in wheels and big brakes all around, 211k mi. Hesitates/sputters only when accelerating at lower rpm, like 1k to 2k. Goes away, nearly completely once operating temp is reached. No codes. Short term fuel trims are zero, long term trims at 6 and...

2008 JKU X model... In winter, wife noted cold air coming in on her feet at highway speed. Pulled glove box to poke around and noticed the foam gasket between the upper air assembly, where air comes in from the cowl, and the lower hvac assembly, which includes the recirculate door, had...

Just had click, click, nada on my 2008 jku, X. Big clue was on the dash... "no buss", flashed during clicks, telling me it's struggling to complete the circuit at 40 amps. In other words, bad ground. Checked all grounds and found a few, most relevant being the neg battery terminal to body...