Sammy~D
Wrench Whore
i am going to look at a 97 sho and he says it has a misfire but just to check before i drive all the way out their is their ant thing else that could cause it to miss and spudder than just spark plugs and wires?
97 spudders
- Thread starter Sammy~D
- Start date
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stephen newberg
SHO Member
A number of things could be causing what appears to be a miss, some of them outright engine fatal.
pax, smn
pax, smn
tardboy21
SHO Member
coils, plugs, plug well seals...
If the misfire is bad enough that he can't drive to you, it could be a camshaft failure. In which case it may run, but barely. Not uncommon if the camshafts weren't welded...
If the misfire is bad enough that he can't drive to you, it could be a camshaft failure. In which case it may run, but barely. Not uncommon if the camshafts weren't welded...
Sammy~D
Wrench Whore
ok so i ent their today and looked at it it fires right up but it makes asound like a plug is missing almost i can feel air blowing behind it and that is what i am thinking it is but it scared me cause the sound is coming from the back of the engineon the passanger side (CSF) but it does just sound like plugs are missing
E1 v2
crash tested
Is it rough, or barely alive?
A coil is the most common cause of missing in our motors. It would act like it is running on 7 cylinders but still make fair power on a test drive.
A rear head cam failure frequently runs, not great, but it can hold an idle. On a test drive it will feel like 4 flat tires and the emergency brake is pulled when you try to accelerate.
A coil is the most common cause of missing in our motors. It would act like it is running on 7 cylinders but still make fair power on a test drive.
A rear head cam failure frequently runs, not great, but it can hold an idle. On a test drive it will feel like 4 flat tires and the emergency brake is pulled when you try to accelerate.
Sammy~D
Wrench Whore
its fires up great, and frog hops a little like a 200 rpm range. it drives just fine just a little hesitant. but it sounds like a plugs is missing ot the egr is not connected.
tardboy21
SHO Member
Well if it drives alright other than being a down 1 cylinder, I would say go for it if you got time to break down the intake and everything to get to the back. (and if the price reflects accordingly)
And when you say the plug is "missing", are you referring to a plug that is blown out of the head of just a bad plug. I just ask because you mentioned you felt air blowing or something... Not really sure where or what you felt.
And when you say the plug is "missing", are you referring to a plug that is blown out of the head of just a bad plug. I just ask because you mentioned you felt air blowing or something... Not really sure where or what you felt.
Check the codes P030X will be a misfire code. X representing the cylinder number. Move that coil to another cylinder. See if within a day or so the code for the new cylinder shows up. If so, get a new coil. That is a trick that worked for me.
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