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TB42 Mechanic Required (MEL)

Tech Talk for Nissan owners.

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TB42 Mechanic Required (MEL)

Post by blkmav »

I'm looking for a mechanic that is well versed in working on a TB42 carby as I have a reoccurring idle issue. I just had the carby reconditioned and the issue still occurs. Runs fine for a while then in idles like a pig and I have to keep the revs up around 1000 otherwise it stalls. It also backfires all the time when off throttle.
Weekdays - Prado GXL D4D with some stuff
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Post by holeyhardtop »

i take it it's not an ignition problem? i had a petrol one and the standard ignition wa scrap. fitted elec ign and longer rotor, ran sweet then. your symptoms sound similar but i may be way off the mark. good luck.
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Post by blkmav »

holeyhardtop wrote:i take it it's not an ignition problem? i had a petrol one and the standard ignition wa scrap. fitted elec ign and longer rotor, ran sweet then. your symptoms sound similar but i may be way off the mark. good luck.


I have just fitted a Piranha electronic ignition so hopefully its not that
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Post by Camshaft1 »

Ask TUFFMAV. TB42 guru
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Post by Rainbow Warrior »

blkmav wrote:
holeyhardtop wrote:i take it it's not an ignition problem? i had a petrol one and the standard ignition wa scrap. fitted elec ign and longer rotor, ran sweet then. your symptoms sound similar but i may be way off the mark. good luck.


I have just fitted a Piranha electronic ignition so hopefully its not that


Didn't get backfiring, but I got popping from my Pirana kit after the water damaged it, idle was changing too, get it checked by an ignition expert I suppose.
Pat,
Brisbane, Australia,
JK 4door Rubicon, currently 4 Sale :(
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Post by blkmav »

Rainbow Warrior wrote:Didn't get backfiring, but I got popping from my Pirana kit after the water damaged it, idle was changing too, get it checked by an ignition expert I suppose.


Hmmm that sounds like identical symptoms

What was your fix?
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Post by Rainbow Warrior »

blkmav wrote:
Rainbow Warrior wrote:Didn't get backfiring, but I got popping from my Pirana kit after the water damaged it, idle was changing too, get it checked by an ignition expert I suppose.


Hmmm that sounds like identical symptoms

What was your fix?


The popping was in the exhaust under compression braking, to fix it I installed a Crane Fireball system inside a water proof box. :D

The Pirana kit was fine initially and never gave problems in Red Rovers Maverick before I brought it from him, but I didn't put it in a water proof box and I suspect it collected a lot of splashed water.
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It's a Jeep thing, I don't understand........
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Post by TUFF MAV »

Are you far from Geelong ?

Kyle
BUGGERED IT'S A TOYOTA THING
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Post by bogged »

Sandy Bowman... Aus4wd specialists in Bayswater.
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