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Puzzling history: usually idles smoothly but after last fill up of Chevron mid octane Techron (might be coincidence) the engine started okay but idled very roughly. Thought it might be water so added some Heat and Seafoam. No change. I was 200 miles from home base when this occurred. Thought I could at least get to a repair shop though. The engine had no power and it chugged along about 25 mph for a few miles, and then suddenly lurched back to smooth running and normal. Ha I thought. Must have been water. Except, next morning, same thing happened. I hoped the symptoms would resolve but after a half mile of no significant power, I turned around after thinking being warm and safe in a house was better than being stranded along the highway in the winter. Shut off the engine, popped the hood to inspect the engine, started the engine and it ran normally. Thought maybe there was still some water issue, so it stayed in a warm garage overnight. Start up the next morning was the same..,,very rough although it didn’t seem to last but a few minutes. Other clue might be the very strong “something’s burning” odor. Not quite like a hot fan belt or brake pad. One fellow thought it smelled like a slipping clutch. The odor was very strong at first, but disappeared after several start ups over two days. Found a mechanic but he didn’t know how to read the fault codes ( yes, check engine light illuminated immdiately after the fill up). He changed the spark plugs and apologized for not being able help much. Drove home 200 miles with no problem after the first few miles of rough running and no power.
Code is 113 which suggests fuel injector issue. Engine has about 300,000 miles and probably has had at least one injectors replacement but not sure of most recent. Would the engine run normally with decent gas mileage if it was an injector problem? What was the source of the odor? Boy was it strong but no longer exists even though the start up is still rough. I haven’t driven anywhere since my return home.
, just started it after reading the code.
What is a suggested next plan? I am Leary of most mechanics locally. But I am sad to
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