99 RS Cylinder Misfire?
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99 RS Cylinder Misfire?
It's unbareable! I first noticed it a couple weeks ago when I took off without letting the car warm up as I usually would. After the car was up to it's normal temp, the problem went away and the Engine light went away with it. Now... It's back. I tried to notice any patters in my driving when the misfire occurred but what I came up with seems completely ricockulous. Cornering hard left or right doesn't seem like it should make the problem better or worse but, aside from a long warm up before driving, thats all that I can come up with.
I borrowed a code puller from a friend and it's giving me a "Cylinder 1 Misfire" error. Before I give in and spend way to damn much money having someone else work on it, I want to tear into it. Suggestions? Please.
I borrowed a code puller from a friend and it's giving me a "Cylinder 1 Misfire" error. Before I give in and spend way to damn much money having someone else work on it, I want to tear into it. Suggestions? Please.
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Try changing the spark plugs which are cheap and probably need to be changed anyways. If the problem is still occuring the next cheapest thing to try would be the wires. You can go to Advance and get a universal kit that you'll have to cut and put together yourself.
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From: Reno, NV
Car Info: 1993/2000/2001 GF4 mostly red
It's most likely plugs or wires (fwiw, stock wires are only like $26. I personally think that's better than messing with a DItY kit). Flywheels can also cause a misfire CEL, but on my car it comes up as cylinder 4. Ymmv, of course.
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Joined: Jul 2003
Posts: 37
From: Jersey Shore
Car Info: MY2000 RS cpe Sedona Red
BAN SUVS,
Couldn't an aftermarket header also cause the CEL code? I was thinking more in line with this as he noted that unless he gave the car a lengthy time to warm up the CEL kicks in. Borlas have been known to cause CELs due to their inability to pre-heat the Catalyst (especially an aftermarket Cat) and cause a false CEL stating an engine misfire. any thoughts?
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Couldn't an aftermarket header also cause the CEL code? I was thinking more in line with this as he noted that unless he gave the car a lengthy time to warm up the CEL kicks in. Borlas have been known to cause CELs due to their inability to pre-heat the Catalyst (especially an aftermarket Cat) and cause a false CEL stating an engine misfire. any thoughts?
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Joined: Jul 2003
Posts: 37
From: Jersey Shore
Car Info: MY2000 RS cpe Sedona Red
Hmmm... maybe, his headers may react differently? Of course this is all armchair moot discussions until he can state whether he has any mods or not on his exhaust or drivetrain.
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Joined: Jul 2003
Posts: 37
From: Jersey Shore
Car Info: MY2000 RS cpe Sedona Red
True 'nuff, true 'nuff. But faulty wires or a bad plug should also eat into his MPG and possibly cause rough idling. No such mention of it. Still no telling really whats going on until he replies.. and before we completely hijack his thread on this tangent! 
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Thatks for all the feedback guys!!! I bought the car with many of it's current mods. The car at one time had a Tech-II + 550 injectors but when the car was sold that was taken back to stock so it could pass smog. The wires ahve been run for a while so I may indeed need to replace them.
Here's a possibly related mods list....
borla headers
Blitz Nur Spec exhaust
magnacore spark plug wires
-NGK plugs recently replaced
12.4 lb Primitive flywheel
Here's a possibly related mods list....
borla headers
Blitz Nur Spec exhaust
magnacore spark plug wires
-NGK plugs recently replaced
12.4 lb Primitive flywheel
Last edited by Madball; Mar 2, 2004 at 12:27 PM.
Registered User
Joined: Jul 2003
Posts: 37
From: Jersey Shore
Car Info: MY2000 RS cpe Sedona Red
Well, first lets have him replace the plugs and the wires as he said they had a good run and the car was bought used. If that doesn't work, he should try to find out what sort of flywheel he has. (Actually he should find out what kind it is anyways as it may lead to other issues if it is near it's useful life). Still, I am banking on the Borlas as giving him the problems due mostly by his description of having to warm up the car before the light goes out. But nevertheless, I do agree the plugs and wires are the cheapest and probably the place to start.
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Joined: Jul 2003
Posts: 37
From: Jersey Shore
Car Info: MY2000 RS cpe Sedona Red
Ooops, did not see the "12.4 lb Primative Flywheel" in the mods list. Hmm, not familar with that particular flywheel, weight doesn't seem too bad, not like a Fidanza.
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