Cost them a set of plugs. 
plugs/header install, now CEL blinks
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St. Jude Donor '08
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Do you remember which side the injector was ticking :snort: ? If it's really screwed, you could pop off the spark plug wire at the coil and find it. IF you pop off the wire and it doesn't get worse, that's it. If it runs rougher, that ain't it, put it back on and try another. Don't pop off the wire while running the car or there may be a rather shocking test result. If it's more than 1 plug, just replace them all.
Elmer
Elmer
Burning Brakes
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Im voting for bad wires Check the seating. Run the car pull 1 at a time. If the car changes tone/shakes/gets worse when you pull it that one is good. When you pull one and there is no change that one usually was not working in the first place.
I personally got new MSD wires and went back to OEM plugs because with NGKs I got the Service Charging System on the DIC once and a while. (alot of people on here have this problem)
Id get a REAL tune afterward too
*Woops the guy above me just said what I was sayin*
I personally got new MSD wires and went back to OEM plugs because with NGKs I got the Service Charging System on the DIC once and a while. (alot of people on here have this problem)
Id get a REAL tune afterward too
*Woops the guy above me just said what I was sayin*
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Burning Brakes
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Once you get your misfire sorted out, you will still have a check engine code from the lack of rear O2 sensors. It is a catalytic converter fail code, but the car will still run fine. The front O2 sensors adjust fuel mixture, but the rears only check the cats.
You can install O2 simulators, tune it out with your Predator, or get a professional tune to turn the rear O2 sensors off.
You can install O2 simulators, tune it out with your Predator, or get a professional tune to turn the rear O2 sensors off.
Thanks, I will work on all this tomorrow when I can get the car to the mechanic!!!
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Burning Brakes
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hey guys, long story shirt, I went ahead and had headers installed, no cats and an X pipe.
Also they guy said to bring some plugs while he was there and he switched them out( went with TR5)
When he was "done" I turned the car on.... sounded good, but when I hit the throttle, it sounded shaky, like a misfire
Only the front 02 sensors were reintalled, the rears were deleted. Now I know this will throw a code(lean bank I believe) but I know it wont make my car run sloppy like it did.
We went for a test drive and off the line its now hesitant, it feels like it shakes slightly and it doesnt sound too healthy. Of course the installer blames it on the deleted rear 02 sensors and also, since I dont have an air intake, he says its running lean so I will need an air intake and a tune...
Ive heard header swaps will get you a CEL, but blinking CEL are missfires correct? What could trigger this?
To top it all off, I got a reader for the codes... it wont read the damn codes, I went to Auto Zone, same thing, they said my OBD plug is faulty!!!!!!!!!
Any suggestions on any of these problems guys? My weekend just went from
to 
Also they guy said to bring some plugs while he was there and he switched them out( went with TR5)
When he was "done" I turned the car on.... sounded good, but when I hit the throttle, it sounded shaky, like a misfire
Only the front 02 sensors were reintalled, the rears were deleted. Now I know this will throw a code(lean bank I believe) but I know it wont make my car run sloppy like it did.
We went for a test drive and off the line its now hesitant, it feels like it shakes slightly and it doesnt sound too healthy. Of course the installer blames it on the deleted rear 02 sensors and also, since I dont have an air intake, he says its running lean so I will need an air intake and a tune...
Ive heard header swaps will get you a CEL, but blinking CEL are missfires correct? What could trigger this?
To top it all off, I got a reader for the codes... it wont read the damn codes, I went to Auto Zone, same thing, they said my OBD plug is faulty!!!!!!!!!
Any suggestions on any of these problems guys? My weekend just went from
to Aww **** man, I dont think he checked what side the 02 sensors were put on. Do you mean I have to remove the left 02 and install it on the left side also or do you mean crisscrossing the sensors??
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Good time to make sure the wires are up off the headers too or else you'll have burned wire problems.
Check for broken plugs first. That's easier, you don't have the jack the car up. If you have insulated pliers you can pull a wire off the coil, one at a time, and see if the car runs worse. When you pull one and it doesn't run any worse, you found your problem, either a bad plug or a bad wire.
When you do this, if none of them make the car run worse, check the o2 wiring.
Last edited by Joe_G; Apr 4, 2011 at 05:53 AM.
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So, after the install, he changed the plugs? Before the install he changed the plugs. Were the plugs in the car that are now in the car in the car when he did the install? What are the TR5s gapped at?
Elmer
Elmer
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Burning Brakes
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Swap the wires. The sensors have pigtails that plug into the car's harness. They are close to each other underneath the car and it has happened that they got switched up.
Good time to make sure the wires are up off the headers too or else you'll have burned wire problems.
Check for broken plugs first. That's easier, you don't have the jack the car up. If you have insulated wires you can pull a wire off the coil, one at a time, and see if the car runs worse. When you pull one and it doesn't run any worse, you found your problem, either a bad plug or a bad wire.
When you do this, if none of them make the car run worse, check the o2 wiring.
Good time to make sure the wires are up off the headers too or else you'll have burned wire problems.
Check for broken plugs first. That's easier, you don't have the jack the car up. If you have insulated wires you can pull a wire off the coil, one at a time, and see if the car runs worse. When you pull one and it doesn't run any worse, you found your problem, either a bad plug or a bad wire.
When you do this, if none of them make the car run worse, check the o2 wiring.
I will start by testing the wires and if that doesnt solve anything, well go from there
Someone at Auto Zone wrote .44 on the box so thats what he did
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Ok, I will make sure we get all that done. I went ahead and ordered some msd wires. i figured I needed new one anyway.
I will start by testing the wires and if that doesnt solve anything, well go from there
When he removed the stock manifolds, he also removed the old plugs, after he installed the headers, we did the TR5s, gapped to .44????
Someone at Auto Zone wrote .44 on the box so thats what he did
I will start by testing the wires and if that doesnt solve anything, well go from there
When he removed the stock manifolds, he also removed the old plugs, after he installed the headers, we did the TR5s, gapped to .44????
Someone at Auto Zone wrote .44 on the box so thats what he did
The stock gap for the TR5 is .039, so he opened them up to .044 Personally, I would have used the more stock TR55 (.050 gap) and gapped down. Both the TR55 and TR5 have the same heat range just different starting plug gaps. Generally you gap down .004 for every extra 50 rwhp you add.
Installing the way you said, I would say the plugs should be good but are still suspect for a cracked porcelain.
