Right, drove the car to work and back yesterday 100miles, no probs at all stopped off on way back for 20 mins. When starting up agian Idle just bounces from 900-1500 ? well had to get home so carried on, car was missing,back firing.
it was boosting fine when passing miss fire. So thought f*&% it if it on way out then lets get it to blow and go from there!!! so gunned it home ! well it didnt go pop.
so what should i be checking and in what order ?
ps it was raining loads so could it just be that something got damp or am i just being a bit optomistic as it is still doing today ?
check the map sensor hose 1st
yeah i did unplug that while it was running and car cut out, plugged back in and turned the key and it started but idle still bounces ?
i have just been outside again and idle settled down untill i blipped the throttle and then started bouncing.
vac leak somewhere
Guess it could also tps and throttle idle need adjusting, also lambda.
As well as a hundred other things, just start looking.
Vac leak duz sound highly likely though given thair history of developing em.
Could also be the idle valve thingy under the plenum!! When mine was being mapped it did this all of a sudden........ map man jumped out tweeked a screw under the plenum somewhere & all was good!!!
Jono