Can my 84 cherokee still run with a bad ECC
10-11-2009, 08:42 PM
#1
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Location: Wittmann, AZ
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Year: 1984
Model: Cherokee
Engine: 2.5
Can my 84 cherokee still run with a bad ECC
I am trying to get my Cherokee through emissions !!!! I have replaced the o2 sensor, and the EGR valve (after failing again). Let me back up. OK I took it through emission and it passed, everything except the fuel cap (failed) So I bought a new cap, filled up on fuel and put some isopropyl alcohol in the tank. Then I went through a second time. This time the NOX to high (5.71) but I passed on everything else. Now is where I put on the new EGR (the o2 sensor was put on before the first test). I wanted to test the ECC, but did not get any engine light with the jumper wire & key in the on position. so hence my ??? OOOh and it does have a bad idle & seems like it may be missing. I did check the dist cap & plug wires.
Last edited by allenk; 10-12-2009 at 08:50 PM.
10-11-2009, 08:46 PM
#2
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Year: 1998
Model: Cherokee
Engine: 4.0
10-12-2009, 08:56 PM
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Year: 1984
Model: Cherokee
Engine: 2.5
Today I bought carb cleaner. I sprayed all the vac. lines no change in idle. I also syphoned all the fuel out & replace with Chevron 92 oct. Then I ran it on the freeway for about 12 miles, still no change. Tomorrow I will run it through emissions.
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