NEW PROBLEM! FLASHING CEL

Jeep Dawg · **Posted:** Sun Apr 19, 2009 9:06 pm

Yea I tested Injector 1 and 3 and I get a solid light.

So my PCM is good ???

You think i might have bad injecter?

Jeep Dawg · **Posted:** Mon Apr 20, 2009 3:01 pm

I do not know what else I should do at this point.
Maybe I need to replace injector 5 and see if I drop one P03 code. If it drops then I will replace the 6 injector after that. then I should no longer have P0300 05 and 06 codes flash

Everything else seems to test out fine.

I have never changed an injector before. How hard is it to replace an injector?

tjkj2002 · **Posted:** Mon Apr 20, 2009 7:11 pm

My bad with the injectors,it's been a very,very long few days(very busy at work).If you can get your hands on a NOID light tester set that's what you need to test the injectors,I forgot that.

Jeep Dawg · **Posted:** Mon Apr 20, 2009 8:00 pm

No problem. I understand long days at work....

My uncle actually had one and we tested it a few mins ago. They flash so fast you can barley see it. I randomly tested injectors including 5 and 6

WTF? I am at a loss rite now. The odd thing is that the Jeep runs great, idel just like the 1st day i bought it off the lot.

Just ONCE IN A WILE it will flash and shut down. but it only happened 2 times in the last 3 months

Jeep Dawg · **Posted:** Mon Apr 20, 2009 8:02 pm

strange. posting went to an error then it showed as i posted..

corwyyn · **Posted:** Mon Apr 20, 2009 8:22 pm

I had a similar issue on my Jeep after replacing the plugs, got a CEL code for a misfire in cylinder #5. Swapped coils and it didn't move so I pulled the plug in #5 and replaced it with one of the plugs I had taken out - that did the trick. Went and got a new replacement and it has been running fine since. Just something to consider.

Jeep Dawg · **Posted:** Mon Apr 20, 2009 8:24 pm

I was thinking about doing that this weekend.

Albert · **Posted:** Mon Apr 20, 2009 9:25 pm

corwyyn wrote:

I had a similar issue on my Jeep after replacing the plugs, got a CEL code for a misfire in cylinder #5. Swapped coils and it didn't move so I pulled the plug in #5 and replaced it with one of the plugs I had taken out - that did the trick. Went and got a new replacement and it has been running fine since. Just something to consider.

Brian, try that..it is "free"..........thanks corwyyn.

Jeep Dawg · **Posted:** Tue Apr 21, 2009 7:49 am

I am going to try that, but I have a feeling that it wornt change. This issue happend once before I replaced my plugs. But you never know

Albert · **Posted:** Tue Apr 21, 2009 10:16 am

Jeep Dawg wrote:

I am going to try that, but I have a feeling that it wornt change. This issue happend once before I replaced my plugs. But you never know

Yea, it's free. Try #5 plug since it is a little easier to get to.

I have a set of OEM NGK's that came out of mine you can use for test purposes. I'll re-gap them unless you are getting another set.. I'll bring them down Saturday with the scanner etc if you don't get to it before then.

Jeep Dawg · **Posted:** Tue Apr 21, 2009 10:18 am

Most likely I will be doing that saturday morning. I should have every thing back together by the time you guys show up for the MUD PITS!

Albert · **Posted:** Tue Apr 21, 2009 10:23 am

Jeep Dawg wrote:

Most likely I will be doing that saturday morning. I should have every thing back together by the time you guys show up for the MUD PITS!

I'll come straight down the thruway and try to be there earlier if I can. I won't take the Tachonic and diddle around looking for an off-road place.

Jeep Dawg · **Posted:** Tue Apr 21, 2009 12:29 pm

Albert wrote:

Jeep Dawg wrote:

Most likely I will be doing that saturday morning. I should have every thing back together by the time you guys show up for the MUD PITS!

I'll come straight down the thruway and try to be there earlier if I can. I won't take the Tachonic and diddle around looking for an off-road place.

Thats up to you Dave.
I will be dilly dallying untill people show up any ways.

Jeep Dawg · **Posted:** Wed Apr 22, 2009 8:33 am

OK well I changed the plugs on 5 and 6 with new ones. (SAME BRAND) and P0305 and 06 code still comes on.

Will a match and gas fix this problem?

Albert · **Posted:** Wed Apr 22, 2009 8:42 pm

Did you try running more fuel system cleaner in it?? Maybe those 2 injectors got messed up from something in the gas????

Trying to think of all the easy/cheap stuff to try first.

corwyyn · **Posted:** Wed Apr 22, 2009 9:03 pm

Jeep Dawg wrote:

OK well I changed the plugs on 5 and 6 with new ones. (SAME BRAND) and P0305 and 06 code still comes on.

Will a match and gas fix this problem?

Does it still feel like it is running rough? Remember that you may need to go thru a few running cycles before the CEL will shut off, cool engine running up to operating temp. I think it took mine three cycles to shut off.

Albert · **Posted:** Wed Apr 22, 2009 9:34 pm

corwyyn wrote:

Jeep Dawg wrote:

OK well I changed the plugs on 5 and 6 with new ones. (SAME BRAND) and P0305 and 06 code still comes on.

Will a match and gas fix this problem?

Does it still feel like it is running rough? Remember that you may need to go thru a few running cycles before the CEL will shut off, cool engine running up to operating temp. I think it took mine three cycles to shut off.

It runs like it was brand new.

Jeep Dawg · **Posted:** Wed Apr 22, 2009 9:35 pm

corwyyn wrote:

Jeep Dawg wrote:

OK well I changed the plugs on 5 and 6 with new ones. (SAME BRAND) and P0305 and 06 code still comes on.

Will a match and gas fix this problem?

Does it still feel like it is running rough? Remember that you may need to go thru a few running cycles before the CEL will shut off, cool engine running up to operating temp. I think it took mine three cycles to shut off.

The only time when it ran rough was when it would flash 5 times in a 1 min then solid CEL.... after that it will stall then I turn it back on and like nothing ever happend...... The CEL went off today. No CODES right now

Albert came down to my house over the weekend and we tackled it together and the engin runs SMOOOOOTH! Seriously, like it was the day I brought it home.....
That is why I am stumped

NEW PROBLEM! FLASHING CEL

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