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post #1 of 4 (permalink) Old 04-20-05, 04:47 AM Thread Starter
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au1 fairlane hunting and surging problems

my old man has an au1 farilane, on cold start up u can hold throttle on 2000rpm and nothing happens,but about a minute into the warm up it hunts up and down , let it sit at idle the same thing hunting. also while driving it surges very slightly at all speeds until full throttle, then u dont notice it.

ive been told it could be temp sender, map sensor, or egr.
ive been searching the forums but all ive come up with is hutting problems with the eb-el series, im told these are different.

the car has had all the fillters done and recently it had the leads and plugs done beacuse it had a bad miss on load which is fixed now, its done 65,000kms.

any help would much appreciated

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post #2 of 4 (permalink) Old 04-20-05, 05:29 AM
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Re: au1 fairlane hunting and surging problems

Quote:
Originally Posted by burnout9
my old man has an au1 farilane, on cold start up u can hold throttle on 2000rpm and nothing happens,but about a minute into the warm up it hunts up and down , let it sit at idle the same thing hunting. also while driving it surges very slightly at all speeds until full throttle, then u dont notice it.

ive been told it could be temp sender, map sensor, or egr.
ive been searching the forums but all ive come up with is hutting problems with the eb-el series, im told these are different.

the car has had all the fillters done and recently it had the leads and plugs done beacuse it had a bad miss on load which is fixed now, its done 65,000kms.

any help would much appreciated
g-day i have an au2 xr8 i had the same problem with surging and hunting i took it to our mechanic he changed fuel filter and surging stopped the hunting bought a 2nd hand maf and car is good now wayne.
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post #3 of 4 (permalink) Old 04-20-05, 05:31 AM
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Re: au1 fairlane hunting and surging problems

what fuel is it drinking ,premium be the go
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post #4 of 4 (permalink) Old 04-24-05, 06:31 AM
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Re: au1 fairlane hunting and surging problems

why will premium fix hunting?
A good start will be a vacuum leak. check all your hoses and fittings. very easy to knock one small hose off. have done it numerous times. the vacuum leak it has produced, is introducing air in to the intake that has not been calculated for by the air flow meter

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