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- 2nd Generation S-series (1995-2005) Tech (https://blazerforum.com/forum/2nd-generation-s-series-1995-2005-tech-41/)

- - chugging (https://blazerforum.com/forum/2nd-generation-s-series-1995-2005-tech-41/chugging-28323/)

spankyy

03-06-2009 08:35 AM

chugging

well i was on the interstate last night an i noticed wen the cruise was set or wen u keep it a steady speed it felt like it was like chugging but the rpms didn't jump around as if it was misfireing an theres no check engine light what could be wrong

swartlkk

03-06-2009 08:37 AM

A misfire would not cause the RPMs to jump around unless it was pretty severe and affecting multiple cylinders.

When was the last time a tune up was done (plugs, wires, cap, & rotor)?

spankyy

03-06-2009 08:41 AM

it was about 6 months ago or so

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