Electrical gremblin making me Psycho

[dangileri]

And my exhaust leaks on the other side right at the collector- summer projects gona be to do a nice patch job


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[magimerlin]

That leak can cause excess air to be sucked into the exhaust.. Which will show you have a lean fuel mixture.

If you are going to replace the O2 sensor look up on here about the 3 wire O2 sensor upgrade. 1993 should still have just a 1 wire so the 3 wire will help out as far a getting to closed loop faster and staying there.


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[dangileri]

That leak can cause excess air to be sucked into the exhaust.. Which will show you have a lean fuel mixture.

If you are going to replace the O2 sensor look up on here about the 3 wire O2 sensor upgrade. 1993 should still have just a 1 wire so the 3 wire will help out as far a getting to closed loop faster and staying there.


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Okay thank you- i have long tube headers into a 2 in 1 out muffler so ill check the whole line for leaks also


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[dangileri]

And how hard or easy is it to swap ti 3 plug?


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[dangileri]

What should the tps read at idle and at wot?


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[magimerlin]

And how hard or easy is it to swap ti 3 plug?


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It's real easy. Almost plug and play. Get a 3 wire O2 and the truck side harness. O2 will have 2 of 1 color wire. Those will be your + and - and the odd ball out will be your sensor wire.....

I cut my plug off my old 1 wire sensor so I wouldn't have to cut my truck side and soldered it to the sensor wire on the new harness. So then that just plugs on like normal then hook up your ground and switched power. I used the fused side of the fuel pump fuse on the firewall.

I can not remember the part numbers I bought but if you do a search here for "oxygen sensor upgrade" you can find the part number pretty quick. I wanna say I got one for a 1995 model of our trucks.

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[magimerlin]

What should the tps read at idle and at wot?


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Normal spec is .5 to .8 volts at idle, if I remember right, but I like to keep mine down near the .5 mark. At WOT is will usually be about 4.5 to 5.0 volts.


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[dangileri]

Okay thank you- and im assuming a smooth transition ass the tps is opened?


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[magimerlin]

Yes correct. And an analog volt meter is the best to check for the smoothness.


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[dangileri]

Okay thank you- i do own an Analog one, just got to find it - oh boy lol better dig it out now before we get another snow storm. So im going to check my voltage monday or this weekend, then ill report back and determine if i need to do an o2 sensor just yet or wait until the next earl change


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