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sideshow
Forums Junkie


Location:
sydney
Registered:
March 2003
4age with 50 degress timing at idle Wed, 17 September 2003 10:52 Go to next message
hi all
i have to fix a 4age for my old boss

someone fitted it to a sprinter

when u check the timing it reads 50 degress advanced but i think he said when u rev it it reads about 20 which is bit retarded

why would it read 50 at idle

ive read bout this prob on here b4 but tried to find it but no good
if anyone can help id be thankful

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roger
Regular


Registered:
June 2002
Re: 4age with 50 degress timing at idle Thu, 18 September 2003 00:53 Go to previous messageGo to next message
Stab in the dark here.

Are the wires from the dizzy to the ignition module around the correct way? The engine runs with it being wired both way but having it on the wrong way can through the timming out like this and the engine won't rev right out.

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TurboRA28
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Location:
Terrigal
Registered:
May 2002
Re: 4age with 50 degress timing at idle Thu, 18 September 2003 01:08 Go to previous messageGo to next message
Hi there Jim, my 4AGE was doing something similar to that, but it was because I hadn't put it in diagnostic mode. Once I did that I could adjust the timing accurately.

Cheers
Joel
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roger
Regular


Registered:
June 2002
Re: 4age with 50 degress timing at idle Thu, 18 September 2003 01:14 Go to previous messageGo to next message
I think joel is probably right. Base timing has not been set it the correct ECU mode.
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sideshow
Forums Junkie


Location:
sydney
Registered:
March 2003
Re: 4age with 50 degress timing at idle Fri, 19 September 2003 08:34 Go to previous message
hey joel
yer the stupid ecu doesnt change timing when u
bridge out the diagnostic terminal

its a rwd 4age in s sprinter so it has the 2 pin diag plug

we have had it on the dyno and when u rev it up
under load the timing retards as the load increases
instead of the timing advancing

i tried changing ecu and dizzy and ignitor

when i bridge out the diag terminals i can get codes out of it
i wonder if its always in diag mode
dont know what that does
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