Re: help needed w/ a misfire problem..

[kevin f <aventari@detonate.net>]

Thanks for the suggestion, 
i've replaced the fuel filter though.

I was thinking of getting a junkyard fuel distributor and control pressure regulator and switching those out.

Could a vacuum leak cause this?? How would i find a vacuum leak?

--- Kareem <6keb1@qlink.queensu.ca>
> wrote:
>A shot in the dark, but the one maintenance item that 
>I didn't see that you replaced (maybe you already did), is the fuel
>filter. A clogged one can cause intermittent fuel delivery problems.
>
>Kareem
>
>On Tue, 22 Aug 2000, kevin f wrote:
>
>> hey guys, i've had this problem for a _long_ time and i want to know if you guys can help me!
>> 
>> It's a random intermittent misfire I can hear in the exhaust. 
>> It happens about every .5 to 2 seconds at idle, and happens at any rpm (i think) it's hard to tell cause the exhaust is loud. 
>> I've put a timing light on every plug wire, and the light flashes with every power pulse (i dont see it skipping when the misfire hits) so i dont think it's ignition..
>> 
>> I have a built 1.8 JH with a g-grind, and i thought it was the cam, but i dont think so anymore, because i recall it being there since before the rebuild (2 years ago)
>> I've replaced:
>> engine
>> coil
>> distributor
>> plug wires
>> plugs
>> idle stabilizer
>> fuel system/injectors have been power cleaned
>> have set the CO screw many a time-always misses
>> new thermo time switch
>> new o2 sensor
>> 
>> 
>> I have a used MSD 6A ignition i've had forever, i cant recall if the misfire was there before i installed it, but i think so. 
>> 
>> Also, the engine will buck and miss like crazy right after i turn it on if it's cold, and it'll do it for about 2 minutes until it gets some heat in it. 
>> i was thinkning ignition module???
>> any ideas?? 
>> 
>> thanks in advance :)
>> 
>> Kevin
>> 81 scirocco 1.8 JH stock CIS fuel injection
>> 
>> ==
>> aventari
>> 
>> _____________________________________________________________
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>> 
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>
>
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==
aventari

_____________________________________________________________
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