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Engine missfireing Hilux

Tech Talk for Cruiser owners.

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Posts: 8
Joined: Tue May 25, 2010 5:34 pm
Location: vic

Engine missfireing Hilux

Post by porter »

Im runing a 253 strate gas moter in my hux and she is missing under load at lo revs 1st 2nd a little in 3rd 4th all good unles you drop doun to 40kmh and load it up( Not that i drive like that but it just exaggerates the problem).:x
Have replaced nearly every thing that bolts onto wired to and plumbed to it to no resalt timing is right i have no prob with spark!
We have been plaing with gas mix and seams to not have much of an effect on the problem!

Thoughts?

Cherrs....
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Posts: 227
Joined: Thu Dec 18, 2008 7:51 am
Location: Qld

Re: Engine missfireing Hilux

Post by crunk81us »

have you checked compression?
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Posts: 18
Joined: Sat Sep 11, 2004 4:41 pm
Location: Victoria

Re: Engine missfireing Hilux

Post by tracks »

Burnt valve maybe
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Joined: Wed Jan 23, 2008 8:56 pm
Location: central coast down under

Re: Engine missfireing Hilux

Post by stilivn »

does it improve when the car warms up at all? Have you replaced the coil?
1993 80 series, 4" tough dog adjustable bb lift kit, LPG, 35" MTR'S
brooksy wrote:Branden Tagg.....He is the King of all f@rkups & a Gimps bitch after hours
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Posts: 8
Joined: Tue May 25, 2010 5:34 pm
Location: vic

Re: Engine missfireing Hilux

Post by porter »

It was running warm and ticking a while a go, No motor tick but missing, still pulls hard at full stick!

Would a valve play up still at high revs?
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Posts: 8
Joined: Tue May 25, 2010 5:34 pm
Location: vic

Re: Engine missfireing Hilux

Post by porter »

yes.
I have replaced coil spark plugs + wiring to and from the coil and ignition, have replaced the dissy plus cap and leads,wiring to the gas system including the safety switch and checked timing! :x
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Posts: 8
Joined: Tue May 25, 2010 5:34 pm
Location: vic

Re: Engine missfireing Hilux

Post by porter »

Sorry no it dose not inprove when warm.
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Re: Engine missfireing Hilux

Post by BadMav »

Check the points gap is right mate.
Don't take life too seriously...it isn't permanent.
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Posts: 8
Joined: Tue May 25, 2010 5:34 pm
Location: vic

Re: Engine missfireing Hilux

Post by porter »

Sorted! don't no what it was but have been plaing with gas.

I think i have it spot on, its amazing what a 253 stroker cen do when tuned right! :armsup:
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Posts: 32
Joined: Sun Jul 12, 2009 3:06 pm
Location: penrith

Re: Engine missfireing Hilux

Post by hiluxturbo2.4 »

good to see its sorted . just thought id ad if your still running points its well worth changing to electronic i had a 81 hilux with a 253 and changed it to electronic and the improvement was unbelievable .heeps more power and revs and water crossings didnt bother it as much .
84 4runner 2.4td 35's 4.8s widetrack rear. ifs rears.rear air locker
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