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sputters occasionally; Sputter while driving
Topic Started: Dec 3 2016, 03:09 PM (236 Views)
skydivemark
New Member
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'95 metro, 3cyl, 1L, 316,000 miles (Yes, it's the original engine, never rebuilt except for replacing exhaust valves at about 110,000 miles). Once in a while it will start sputtering while driving. If I shut it off and re-start it, it runs fine. About 8 months ago when first starting it would idle very high (2200-2500rpm or more) while raining or high humidity(fog) and once it warmed up and I re-start the engine it would return to normal, maybe even idle a little low. A couple weeks ago I was driving at about 60mph and it started sputtering and loosing power. I pulled to the shoulder and continued to slow down, eventually it quit running. When I re-started it, it ran fine. The che k engine light came on a few days ago and is code 23 (MAT). Parts stores (local and online) don't show a m.a.t. for that year/model. A few months ago it had code 51, EGR, but I found the cause and it hasn't returned.
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ptcapboy


napa MPE TS6677SB should do it-
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freegeo
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Code 23 is for the intake air temperature sensor.
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skydivemark
New Member
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Did some more checking and found the problem with the IAT. Check engine Light is out.
Will update if I get more sputtering.
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