HI All Thanks in advance
1990 GMC Suburban Vehicle has been running smooth no problems except it needs new exhaust from muffler out. I'm wondering if this has to do with my current problem. Started the vehicle yesterday and it ran rough, started down the road and it felt like it wasn't running on all cylinders. Very noticeable expecially when first starting out. I turned around and parked it after a 1/4 mile. Where should I start? Thankyou RossCould be a clogged cat.
Just had a similar problem with my '90 Chevy burb. Replaced spark plugs, wires, and gas filter and it has run fine since.
"Sigwings" wrote in news:LOOod.76930 $V41.67531@attbi_s52:
Could be a malfunctioning injector.
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