Problem after headers install HELP
Check all the grounds, there are various (both sides of block, on rear of head, to the engine bay...), and check your battery ground also.
Using a scan tool, log the 8 misfire parameters (these will tell you which cylinder), and log the LTFT's (these will tell how rich the PCM is trying to go, indicating possibly an air leak or a problem with the O2 sensors), and read the DTC's (these will point you in the right direction).
I have a question though I noticed my Passenger side header is hot as **** and my drivers side was just warm.... Could that mean anything?
I have a question though I noticed my Passenger side header is hot as **** and my drivers side was just warm.... Could that mean anything?
The one side was just WARM because it was just compressing the gas in the cylinder and expeling it, no fire. It was either not getting fuel or not getting spark, but one whole side was shut down. Other side was hot as your mom was last night. This was the passenger side that was shut down BTW. It was the top left fuse in the front fuse box if you're standing beside the car.
Unplug your coil pack harness for that side and see if it changes anything. Did you have Ray Charles check your fuses?
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The one side was just WARM because it was just compressing the gas in the cylinder and expeling it, no fire. It was either not getting fuel or not getting spark, but one whole side was shut down. Other side was hot as your mom was last night. This was the passenger side that was shut down BTW. It was the top left fuse in the front fuse box if you're standing beside the car.
Unplug your coil pack harness for that side and see if it changes anything. Did you have Ray Charles check your fuses?

I'll triple check them now. If it's not the fuse what else can I check?
I'll triple check them now. If it's not the fuse what else can I check?You could also remove a plug wire from a plug, stick an old plug in it, ground the threads of the plug on the header, and check to see if it sparks. I'm guessing you took the coil packs off for install, might have yanked a wire loose from the main connector or something. Even with one of plug wire off completely, the car should run much better than you're describing.
I don't know what else to do.. I put my delco plugs back in the drivers side and it still ran the same so I don't know
Man I wish I never installed these *******!
I don't know what else to do.. I put my delco plugs back in the drivers side and it still ran the same so I don't know
Man I wish I never installed these *******!I like what you have for your location.
I like what you have for your location.

I'm trying to stray away from that side right now. I thought it was the Drivers because my drivers side had a leak in the Y and everytime it backfired a nice poof of exhaust came out of the leak. I'm pretty sure my passenger side isn't the problem. I'd just like to "know" before I start ripping apart my passenger side AGAIN.https://ls1tech.com/forums/showthrea...t=Drivers+Coil
That is exactly what is happening
My plug's are coming out dark as **** on the drivers. the passenger plugs are actually coming out normal. Check the main coil pack conectors and make sure no pins are bent or wires are damaged.
Check the main coil pack conectors and make sure no pins are bent or wires are damaged.
You could also remove a plug wire from a plug, stick an old plug in it, ground the threads of the plug on the header, and check to see if it sparks. I'm guessing you took the coil packs off for install, might have yanked a wire loose from the main connector or something. Even with one of plug wire off completely, the car should run much better than you're describing.
Yup, old school that ****. Pull the plug side of the wire out, put a screwdriver in there and bring the screwdriver (cunductor) near good ground and look for (listen for) a spark. Be carful not to involve your hand in the test, it hurts
. That will narrow down soooo much. Then move on to fuel delivery.
I'm trying to stray away from that side right now. I thought it was the Drivers because my drivers side had a leak in the Y and everytime it backfired a nice poof of exhaust came out of the leak. I'm pretty sure my passenger side isn't the problem. I'd just like to "know" before I start ripping apart my passenger side AGAIN.https://ls1tech.com/forums/showthrea...t=Drivers+Coil
That is exactly what is happening
My plug's are coming out dark as **** on the drivers. the passenger plugs are actually coming out normal.
Thats out on a limb, but figured I ask.
Anyways... I might have found the problem thanks to the other thread. I pmed him asking how he solved it and he replied back with this.as not fun as it sounds, i would suggest tracing the wires coming to and from the coil packs, to make sure there are no shorts or nothing is broken. i didnt want to do it but it ended up helping me.
let me know if this is the problem, and i can give you the part number for the sensor....its kind of a PITA to find.

If anyone needs this part number it's #12551708 it's for 98 cars only. 99+ they have a 2 prong sensor I believe.






