Reply With Quotehmmm interesting, did it however want to rev before you put the cleaner before hand? mine doesnt want to rev past 1500-2500 rpm
Master
I rev problem is all gone now I brought a can of Carby & Throttle Body Cleaner removed the electrics of the throttle body removed the 2 large vacum tubes placed a thick large rag under the whole throttle body then gave it a good spray all over in there and let it sit for about 10mins then gave it another good spray in there. I cleaned in there with a clean rag soaked in the cleaner. I put everything back together. It took alittle to start the engine but she kicked over was rough a little but smoothed right out and I took her for a spin.
Now she idles smooth I no longer have the revs jumping up and down after a warm start or the idle slightly going up and down at light's.
Master
hmmm interesting, did it however want to rev before you put the cleaner before hand? mine doesnt want to rev past 1500-2500 rpm
Master
If your engine doesn't want to rev or rev high enough or stall at lights etc it would be your throttle positioning sensor I had the same problem with my falcon.Originally Posted by eddie_V8i
Master
where is the throttle positioning sensor? would you mind taking a photo of it, and just letting me know what the correct setting is and how to adjust it please, thanks mate
Master
It's non-adjustable if it's faulty you need to get a new or used one. You will find it very easy if you look at the opening of the throttle body it will be on the outer leftside held on by 2 srews and a wiring connector.
Master
hey there guys, i was just speaking with alto land rover on the phone again, they are fairly certain that it sounds like stickly valves.
is this easy to repair? i realise that i would have to take the heads off, and strip the valves and springs off to de coke all of the carbon off, but would that be all i need to do?
Master
I take it it's also smoking then.
Master
hmm nah its not actually..
Master
*bump*
i still have the same problem gentlemen, help please, im desperate
Master
spent the day working on the disco, my findings:
- the bypass air valve/stepper motor apears to be working fine and wasnt really caked up in carbon etc
- the throttle position sensor apears to be working fine too,
however it does only to be running eratic. (fud-fud-fud-fud-fud) There is a spark at every spark plug, only time it wants to rev is with an aid of carby cleaner sprayed into the maf as i start to accelerate.
I increased the timing a little and then started the car, it apeared to be running much better (still alittle eratic though), so i took it for a test drive. I didnt get it any more than 50 meters, then it started running eratic again
** Does this mean that the MAF sensor is shot? (because in theory this is telling me that the injectors arnt getting enough fuel) - right? ??
if it is the maf, how much would it cost for a second hand 5AM MAF, and would anyone here on this forum have a spare one
thanks
Eddie~!
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