Engine Hesitation/Stumbling/Backfiring
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white06lacrossecxs
- SSEi Member
- Posts: 163
- Joined: Mon May 26, 2008 3:27 pm
- Year and Trim: 2006 Buick Lacrosse CXS
- Location: California
- Contact:
Engine Hesitation/Stumbling/Backfiring
My 01 Park Avenue Ultra started having a problem today. While driving the engine started stumbling on acceleration and it has stalled taking off from a light a couple of times. I think it may have backfired once or twice. It will usually do it when shifting from first to second. The RPM on the tach also fluctuates a little. The SERVICE ENGINE SOON light isn't coming on. The cars transmission fluid was low. Filled it and its improved some but still going on. Any ideas?
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Archon
- Resident Gearhead
- Posts: 8781
- Joined: Mon May 19, 2008 10:30 pm
- Year and Trim: 2014 Cadillac XTS Vsport.
- Location: Grand Rapids, Michigan
Re: Engine Hesitation/Stumbling/Backfiring
When did it last have a good tune up? Plugs, wires, fuel and air filters?
*Gone, but not forgotten* - Black 2000 SSEi, HIR Headlights, Angel Eyes fogs, 3rd brake light overlay, hi-flo cat, 180 degree thermostat, HS 1.9 rockers, LSx yellow springs, Intense FWI, PCM, shift kit, push rods, and 3.4 Pulley. ZZP Power Log.
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white06lacrossecxs
- SSEi Member
- Posts: 163
- Joined: Mon May 26, 2008 3:27 pm
- Year and Trim: 2006 Buick Lacrosse CXS
- Location: California
- Contact:
Re: Engine Hesitation/Stumbling/Backfiring
They were done about 2 or 3 years ago. We took it to the shop, the mechanic replaced a vacuum line, and the plugs and he says its better but still a bit rough. He noticed the front motor mount is shot. Hopefully the issue is resolved soon, its a pain being short a vehicle in the family.