Quote:
Originally Posted by brokenbim
..........it went from 420, 430 to 301 302 300. Fixed the 420 430 302 and 300........
............All that was left was the 301. cleaned injectors then got a 202. Did nothing and now have P116E and P0113............
...........All Im doing is tearing the thing apart and making it worse. I'm gonna set it on fire........
........ It does spark a little when putting the negative cable on last? Normal........
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Don't get your hopes up, 420 and 430 codes could take a few hundred miles to return.
Everytime you manipulate the harness new codes appear. I still think there is a connection here.
Sparking is normal. Try to reconnect without causing a bouncing on-off-on-off-on effect. The voltage spikes may not be good for the modules powering up.
Lift X5 and check ground wire from chassis to engine fro corrosion.
Check ground wires on valve cover.
Measure the resistance from valve cover ground wire to:
1) the engine
2) the (-) jumper post at driver's side of radiator support
Running out of ideas here.