Failed AZ State Emissions Test-1990 Trooper 2.8L V6

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Re: Failed AZ State Emissions Test-1990 Trooper 2.8L V6

Postby troopdiver » Thu May 18, 2017 10:36 pm

ooops! This is what happens when you do not see your posts appear on the first page and fail to check the second page for your posts, ha!
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Re: Failed AZ State Emissions Test-1990 Trooper 2.8L V6

Postby troopdiver » Thu May 18, 2017 10:56 pm

ooops!
Last edited by troopdiver on Fri May 19, 2017 4:45 pm, edited 1 time in total.
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Re: Failed AZ State Emissions Test-1990 Trooper 2.8L V6

Postby troopdiver » Thu May 18, 2017 10:58 pm

ooops!
Last edited by troopdiver on Fri May 19, 2017 4:55 pm, edited 1 time in total.
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Re: Failed AZ State Emissions Test-1990 Trooper 2.8L V6

Postby troopdiver » Thu May 18, 2017 11:41 pm

Yes Ed, I agree. I think the distributor was at the root of my problems.
I just wish I had found the problem a little earlier.
Thanks again for all of your help.
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Re: Failed AZ State Emissions Test-1990 Trooper 2.8L V6

Postby troopdiver » Thu May 18, 2017 11:43 pm

AS A SIDE NOTE: Every time I attempted to put the truck into diagnostic mode and to get the check engine light to give me error codes, I never received any codes. The check engine light simply blinked 1 then 2, over and over again. There had to be something wrong somewhere because I could not pass the emissions test. I wonder if there was something disconnected somewhere? I will probably never figure out why it did not give me any error codes. I will try it again later down the road.
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Re: Failed AZ State Emissions Test-1990 Trooper 2.8L V6

Postby troopdiver » Fri May 26, 2017 2:02 am

In the hopes of maybe helping someone else down the road, here are a few more PICs showing the wires, connectors and components inside of the distributor.
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Re: Failed AZ State Emissions Test-1990 Trooper 2.8L V6

Postby troopdiver » Fri May 26, 2017 2:07 am

Here are five more PICs. Enjoy!
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Re: Failed AZ State Emissions Test-1990 Trooper 2.8L V6

Postby geoffinbc » Sat May 27, 2017 1:40 am

Your getting code 12. Thats perfectly normal it just means the ECM is in diagnostic mode. If no other codes follow your good.
1990 Trooper, 3.2L (3.1L .040 over) Pushrod V6, 5 speed manual. 33X10.50X15 BFG M/T KM2's. 3" OME Lift. Cowl Induction Intake. ARB Lockers front and rear. HD Tierods.
Off the road for an overhaul right now.

Big Bore Intake Kits & Greasable Shackles Here
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Re: Failed AZ State Emissions Test-1990 Trooper 2.8L V6

Postby Ed Mc. » Sat May 27, 2017 1:55 am

It's possible to have malfunctions outside the parameters of the ECM, such that you may never get a code but there is still something wrong.

The engine diagnostic program only monitors certain things, so unless the problem is causing a system that it does check to be out-of-whack, it'll never show up as a trouble code.

But it's always a good thing to start with checking codes, 'cause if there are any, they may lead you to the problem, directly or indirectly.

Glad you got 'er all sorted out.......ed
'90 3.4 Troop LS;
'89 Troop RS (Exhaust Valve Challenged), now gone to a Good Home!
Yes, I am a Trooper-Holic!!!
Keep On Troopin' !
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