1995 dodge spirit rough idle

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ronroland - 05 Jan 2007 04:25 GMT

i got a 95 dodge spirit 4cyl ive bought about a year back and up
untill recently ran smooth.Anyway it runs rough on idle cold or warm
but driving it its fine.Plugs and wires are close to a year old but
look like new.i checked the plug gaps and they were pretty well dead
on.i checked the vacuum hoses and they also look great.The car also
starts fine any ideas what it could be thanks

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maxpower - 05 Jan 2007 20:14 GMT

> i got a 95 dodge spirit 4cyl ive bought about a year back and up
> untill recently ran smooth.Anyway it runs rough on idle cold or warm
> but driving it its fine.Plugs and wires are close to a year old but
> look like new.i checked the plug gaps and they were pretty well dead
> on.i checked the vacuum hoses and they also look great.The car also
> starts fine any ideas what it could be thanks

You are going to have to connect a scan tool to monitor the sensor inputs
and outputs. A faulty map sensor or coolant temp sensor could be the problem

Glenn Beasley
Chrysler Tech

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duraband420 - 15 Jan 2007 23:26 GMT

try a good valve cleaner or also try to replace the fuel filter i have
a 91 dodge caravan with a l4 2.5 that i just tore down and rebuilt my
self and it was running rough bfor and i found out that when i took
the head off it was all deposeted up on the valves so i cleaned em all
up and rebuilt the springs and boot seals in the head and now it runs
like brand new my other car is a 90 grand voyager that had a 3.3 liter
in it and i took out the engine and changed the wireing under the hood
and put in a 2.5 liter in it and it was running rough too so i dumped
in lucast oil treatment and now it runs fine and smooth so try a good
valve cleaner and also try to replace the fuel filte

> i got a 95 dodge spirit 4cyl ive bought about a year back and
> up untill recently ran smooth.Anyway it runs rough on idle
[quoted text clipped - 3 lines]
> they also look great.The car also starts fine any ideas what
> it could be thanks

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