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EF loosing power and backfiring?!?!?! 

 

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 Post subject: EF loosing power and backfiring?!?!?!
Posted: Sun Jul 09, 2006 11:31 pm 
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hey.

i just replaced my dif and the car was off the road for about a week.

in that time the car has developed a problem.

when the revs hit 1500-2000rpm the caar starts back firing and f@rt and loosing power?

i have changed the ecu, tried unplugging the o2 sensor but the problem is still there.

sometimes it goes alright for a bit but then the problem comes in and the car is undrivable.

does anyone have any ideas or suggestion?

cheers.

 

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Posted: Sun Jul 09, 2006 11:47 pm 
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something to do with ignition. spark plug, leads dizzy, etc. the fuel isn't being ignited and thus the loss of power, then its sitting there and gets set off by hot exhaust from a firing cylinder (the backfire) check those things. you should change the 02 sensor not unplug it (very bad) if anything. but make sure youve got good spark to cylinders first

 

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Posted: Mon Jul 10, 2006 12:08 am 
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oh yeh.

ill check out some of those things tomorrow.

i thought that if u unplug the o2 sensor it just goes to a default setting?

 

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Posted: Mon Jul 10, 2006 3:08 pm 
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hmmmm.

the car runs good if u get in it and drive straight away when its cold.

but as soon as it get some heat through it the car goes to s**t.

the hotter the worse.

any ideas people?

 

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Posted: Mon Jul 10, 2006 4:18 pm 
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probly somthing minor like the leads or spark plugs

 

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Posted: Mon Jul 10, 2006 5:22 pm 
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I reckon crank angle

 

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Posted: Mon Jul 10, 2006 5:25 pm 
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crank angle

 

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Posted: Tue Jul 11, 2006 12:30 am 
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mines doing the same but back firing through the airbox, im gonna get my injectors cleaned and go from there
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Posted: Tue Jul 11, 2006 12:51 am 
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i have the same symptoms and ive been told O2 sensor which is gonna cost me 160 bucks :(

 

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Posted: Tue Jul 11, 2006 1:24 am 
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F**k hell man 160! Retail much

 

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Posted: Tue Jul 11, 2006 1:27 am 
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same thing with my ef, whilst changing the diff (what a coincidence) it developed those problems, changed lead wires, problem solved

 

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Posted: Tue Jul 11, 2006 8:12 pm 
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f**k hello! yeah mate you where right it was the leads

 

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