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post #1 of 3 (permalink) Old 08-08-05, 07:01 PM
erkd
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84 244 gl efi

wiring harness fried under manifold, replaced harness, distributor, air
mass meter,(2) ECU,(2) fuel control modulator, injectors, TPS, most
sensors, new plugs, cap and rotor. Got to start but sounded like it was
being choked. Catalytic began to glow "red". Punched out CC, tried to
start again, BOOM!!! Blew muffler completley apart. Now it starts easy,
but still sounds choked, exhaust smells like gas and doesnt want to rev
up, will backfire if reved up slowly.

Any ideas to this continuing dilema? Any would help.



 
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post #2 of 3 (permalink) Old 08-08-05, 09:01 PM
James Sweet
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Re: 84 244 gl efi


"erkd" <barbervierra@netscape.com> wrote in message
news:f6863fb8cccbf54c3cd5e7f6806aa0a3@localhost.talkaboutautos.com...
> wiring harness fried under manifold, replaced harness, distributor, air
> mass meter,(2) ECU,(2) fuel control modulator, injectors, TPS, most
> sensors, new plugs, cap and rotor. Got to start but sounded like it was
> being choked. Catalytic began to glow "red". Punched out CC, tried to
> start again, BOOM!!! Blew muffler completley apart. Now it starts easy,
> but still sounds choked, exhaust smells like gas and doesnt want to rev
> up, will backfire if reved up slowly.
>
> Any ideas to this continuing dilema? Any would help.
>


Did you get the firing order off? You say you replaced the distributor, it
sounds like you either got the wires on assuming the distributor rotates the
other direction or the rotor is off 180 degrees.


 
post #3 of 3 (permalink) Old 08-09-05, 07:01 AM
Mike F
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Re: 84 244 gl efi

James Sweet wrote:
>
> "erkd" <barbervierra@netscape.com> wrote in message
> news:f6863fb8cccbf54c3cd5e7f6806aa0a3@localhost.talkaboutautos.com...
> > wiring harness fried under manifold, replaced harness, distributor, air
> > mass meter,(2) ECU,(2) fuel control modulator, injectors, TPS, most
> > sensors, new plugs, cap and rotor. Got to start but sounded like it was
> > being choked. Catalytic began to glow "red". Punched out CC, tried to
> > start again, BOOM!!! Blew muffler completley apart. Now it starts easy,
> > but still sounds choked, exhaust smells like gas and doesnt want to rev
> > up, will backfire if reved up slowly.
> >
> > Any ideas to this continuing dilema? Any would help.
> >

>
> Did you get the firing order off? You say you replaced the distributor, it
> sounds like you either got the wires on assuming the distributor rotates the
> other direction or the rotor is off 180 degrees.


It wouldn't run if the timing was off 180 degrees, but all you symptoms
point to the same problem. The cat was glowing because it was being
asked to burn so much fuel. The backfire that blew the muffler apart
was because there was unburned fuel in the exhaust that was ignited.
The exhaust smell like gas because, well, there's unburned fuel in
there.

Unfortunately you've made so many changes at once, fault tracing could
be difficult.

1. Check your injectors, if you have the wrong ones, the thing will
never run right. (Put in you old ones if you still have them.) Or
maybe you have the wrong fuel computer - one designed for different
injectors.
2. Check ignition timing - it sounds like it could be way retarded.

--
Mike F.
Thornhill (near Toronto), Ont.

Replace tt with t (twice!) and remove parentheses to email me directly.
(But I check the newsgroup more often than this email address.)
 
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