Vehicle & Technical > Discovery

is this ment to happen??? V8 plenum

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disco-v8:
ok im still having problems with my V8, and ive chequed alot of the electrics and all seems ok so far, i also found a problem with the dizzy (had abit of water inside :shock: ) so now its running better but not 100% and im still getting popping through the air box!!!!!


its time to start to take things apart now to see if its something mechanicle... i realy want to see if the cam is timed up correctly, i tryed to work it out through the oil filler cap but the cam that i have must have a flat apex on it as the exhaust valve stays at its peek for atleast 8 degrees so i cant find the exsact point of where its fully closed so i cant tell if its timmed up properly.....

i started to take parts off and got to the plenum chamber when i found out this happened... god nos why i started it but kinder glad i did....

i know the fueling is going to be messed up as it hasnt got the stepper motor plugged in, the air flow meter, the potentionmeter, and the trummpets are fully open.......

BUT IS THIS REALY MENT TO HAPPEN??????? :shock:

http://uk.youtube.com/watch?v=4nhfG6nB37c

SteveGoodz:
Sounds like a bag of excrement  :shock:

You sure you've got all the HT leads on the right plugs?  :?

daveyravey:
Have you replaced the rotor arm recently?
There are a batch of faulty units flying around, even from the main dealers.
Easily recognised, they have a big brass rivit on the top. They tend to short themselves out through the dizzy shaft & are only fit for the bin.

Evilgoat:
That sounds like leads to me.

Budgie:
Is that what it sounds like with the plenum chamber, stepper motor etc in place?

Only I wouldn't like to try and diagnose a problem without all the sensors connected and working as (like you say) the fueling etc will be out cos' the ECU isn't getting the right information from the sensors.

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