1994 Mazda 2WD B Series Pickup "not idle" Questions

...on acceleration misfiring, the engine idle is erratic  and the cat gets cherry color,and at the back of the exhaust the emissions smell like a rotten eggs,always the idle is not steady

idle air control valve. It does not miss all the time. Has spells that you can feel at an idle at a stop? What would be next to change? Is it possible that the computer is going bad? The following are

...idle,codes 1401,301"misfire1 cyl", 302"misfire 2 cyl", has new plugs & wires,throttle position sensor ,drove it up the rode not any pullin power,pulled plug wires off while ...

check engine" are on. Also the speedometer does not work at speeds lower than about 40. Occasional stall at idle. I cleared this by replacing the sensor mounted on top of the rear differential housing

...idle. I'm not sure if this is bearing noise, but I've heard that's another thing to go wrong on these cars. Any and all insight is appreciated! Thanks! -ED If you don't get any respones in this forum ...

not idle. For idle issues and problem troubleshooting,go through the help links provided below :----- van idles rough? http://howtobyme.blogspot.in/2012/01/2004-ford-freestar-van-idles-rough.html ----

...not idle when cold? http://technoanswers.blogspot.in/2012/02/ford-explorer-40-will-not-idle-when.html----------runs lean and idles rough? ...

...not idle when cold? http://technoanswers.blogspot.in/2012/02/ford-explorer-40-will-not-idle-when.html ...

...not idle when ...

...not idle when cold Its cold start issues:---- Go through the list of help links mentioned below:---- Click the link :---- Cold start problem and vehicle shudder around 2500 to 3500 rpms ...