Total loss for ideas! Anyone with deep knowledge?q - Page 2 - JeepForum.com
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post #16 of 27 Old 03-25-2012, 10:50 PM
Sparkyman2000
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Originally Posted by Knuckelhead View Post
That didn't fix anything, it helped identify what needs to be fixed...
If that, depending on what he unplugged the ECM is now using preset parameters for air, fuel, spark and timing instead of using other inputs and outputs of sensors. Still could be another problem.


I will start being nicer when you start being smarter.
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post #17 of 27 Old 03-25-2012, 11:26 PM
Knuckelhead
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Originally Posted by twofiveLO View Post
"Fixed" my problem until I get around to replacing it
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Originally Posted by twofiveLO View Post
X2

I had the same thing going on for a couple months and replaced an tested just about everything. One day I unplugged the o2 sensor.... I haven't plugged it in since
Quote:
Originally Posted by Sparkyman2000 View Post
If that, depending on what he unplugged the ECM is now using preset parameters for air, fuel, spark and timing instead of using other inputs and outputs of sensors. Still could be another problem.
He unplugged the O2 sensor and the PCM is running in open loop...
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post #18 of 27 Old 03-25-2012, 11:46 PM
twofiveLO
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Its not my DD so I haven't lost any sleep over it. I'll replace it when I replace it.

He was asking for help and I replied. What I do with my oxygen sensors in my free time is no one's business but my own. I apologize for offending anyone. Back to the topic at hand.
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post #19 of 27 Old 03-26-2012, 05:15 AM
mike_dippert
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Originally Posted by twofiveLO
What I do with my oxygen sensors in my free time is no one's business but my own.
Then you shouldn't have posted it. Don't get butt hurt because you've been called out for a shotty "fix" you were suggesting to the OP, which you now claim is just 'temporary', and does nothing to help the OP in the long run.
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post #20 of 27 Old 03-26-2012, 12:44 PM
twofiveLO
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Originally Posted by mike_dippert
Then you shouldn't have posted it. Don't get butt hurt because you've been called out for a shotty "fix" you were suggesting to the OP, which you now claim is just 'temporary', and does nothing to help the OP in the long run.
This is a technical forum not a social networking site. Get over it troll.
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post #21 of 27 Old 03-26-2012, 01:15 PM
ratmonkey
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Originally Posted by twofiveLO View Post
This is a technical forum not a social networking site. Get over it troll.
You are correct, it is a technical forum and should have proper repair info in it, not rednecked up "fixes".

'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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post #22 of 27 Old 03-26-2012, 04:57 PM
mike_dippert
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This is a technical forum not a social networking site. Get over it troll.
After 4 months and 27 posts, you're calling me the troll? Trolls don't last 6 years or get 1640 posts on a tech forum.

That is all. Carry-on.
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You are correct, it is a technical forum and should have proper repair info in it, not rednecked up "fixes".
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post #23 of 27 Old 03-28-2012, 05:26 PM Thread Starter
aschubert
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Replaced faulty elec. Oil press. Sensor with mechanical...love it..peace of mind...60 when running, 25 to 40 at idle.. NOW..got a oem upstream o2 sensor, will be putting in tonight...jeep mechanic spent 30 mins with me just talking today and basically pointed at the upstream o2 sensor as many of you have...he said my 97 will rarely throw a code for upstream sensor....will update! Thanks for all the replies. If I lick this, I got one great jeep given all the testing I have done and she has passed!
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post #24 of 27 Old 03-28-2012, 06:26 PM
williambmac
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hooking up a scan tool and checking your short and long term fuel trims would have told you right away that you have an o2 sensor problem.
I would suggest using o.e. only sensors, stay away from the aftermarket junk.
good luck.

2000 TJ 5.5 Long arm, lots of extras. R.I.P.
2005 LJ rubi 35's Clayton, lots of extras
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post #25 of 27 Old 03-28-2012, 09:38 PM Thread Starter
aschubert
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Replaced upstream o2 sensor, new autolite plat plugs, oil change.....WHAT THE....RUNS HORRIBLE! Like it was missing on two cylinders...online spark tester revealed nothing...threads suggest learning curve for PCM..doubt it.....THEN...found thread on automate plat. Plugs...NEVER USE THEM EVER EVER EVER..put my old fouled plugs in...ALL PROBLEMS ARE GONE....so I had a bad upstream sensor, never threw codes...without the forum I never would have found that in decent time, and I would never have known the autolite plats sucked..can't thank forum and members enough! She run great..gonna replace those dirty plugs tomorrow still...I'd have a barbecue foe you all if I could! Thanks, my Jeep brothers! Wooooo HOOOOO!!!!!
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post #26 of 27 Old 03-28-2012, 09:39 PM Thread Starter
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"inline" tester...hate iPad autocorrect...
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post #27 of 27 Old 03-28-2012, 09:40 PM Thread Starter
aschubert
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Dang it, autolite...got me again...
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poor fuel mileage , rough idle

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