1994 Toyota 4Runner "cold start rough idle 3" Questions

...start after 3-4 hrs......All the above are good possibilities and should be checked.....I don't know what changing to E3 means exactly, but if it means changing the spark-plugs, it could be that the ...

...cold start after 10-20 seconds of regular idle at around 1000rpm, the car will automatically rev to 3000-3500rpm and stay at this rpm until warm. the when warm will have a rough idle between ...

when you crank, jerking down the road with idle jumping 1999 Surburban. Rough idle when engine is cold for about 3-5 min and then it starts to smooth out. Any ideas why the engine would act like this?

start my MX-3 when cold the idle goes up and down from 1000 rpm to about 2,500 rpm. Then after running for about 15 minutes it returns to a normal idle. Only seems to do it when starting from cold. Is

...a problem. It could be the cold weather- fuel and injections system have cold start devices or sensors of one sort or another. It may be a faulty sensor. Get somebody to do a diagnostic check for ...

...cold? 2. Does engine start quickly without a lot of cranking, Cold or warm? 3. Do you have funny smell at highway speed, or after you stop? With out  this info and your imput, I would only be ...

...cold start it, it would usually jump up to 1500-2000 rpm depending on how cold it was. Now it will try to start and then die (unless its above 60 degrees farenhite out side it starts easier) then i ...

...start up cold or warm then slows down to normal idle , but mildly rough Sounds like a automatic choke sticking....Take the air duct loose from carb..While accelerating engine spray bottle throttle ...

start. It doesnt matter if engine is cold or hot. I replaced the inline fuel filter 3 days ago and it runs when it wants to. When running it is mostly smooth but at idle it will start to run rough for

...cold start ups(not nessesarily on cold days but just after it hasnt been running for awhile, but cold days make it worse) but after a couple minutes of coughing and sputtering it will rev up to about ...