rough idle

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02-05-2012, 02:55 AM

shaner517

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Year: 1996

Model: Cherokee

Engine: I6 4.0

rough idle

My 96 sp has been idle real rough in gear I cleaned the map sensor and it helped Some but its still rough and I have a misfire in #1cyl any ideas how to fix?

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02-05-2012, 03:22 AM

freegdr

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Year: 1989 xj sport 2dr

Model: Cherokee

Engine: 12 hole bosch Injectors

last tune up was start with basics,check for codes

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02-05-2012, 09:31 AM

brg0012

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Year: 1998

Model: Cherokee

Engine: 4.0

Always do the easy stuff first. Get some champion copper spark plugs, new spark plug wires, and a new distributor cap. Also could run some fuel injector cleaner through just for good measure.