NEED HELP ASAP! 3.1 corsica code 42
Hello all! I am trying to get this car going for my girlfriend but it is kicking my butt!
It's a 1990 corsica 3.1L with 29k miles and it is throwing a hard code 42. It runs rough and idles too high when slowing down. when it comes to a complete stop, it finally kicks the idle down and almost dies. I have replaced the following so far..... -IAC valve -TPS sensor -ICM -Crank Sensor I have checked these wires for continuity at both ends... -#453 -#573 -#574 -#430 -#424 -#423 -#450 to ground The SES still comes on after a few seconds of idling. I am wondering if the plugs, wires or coils would make it throw this code? I did check the coils at the secondary pins and I had something like 5.8#, 5.8# and 5.9# ohms. I'm not sure what else to do and getting tired of spending money on non-fixes. |
if those are the wires between the icm and crank sensor, sometimes they can test ok with a meter but not be good due to corrosion or intermittent pins i would inspect the harness real close. 42 is est failure i would suspect you would get misfire codes if the coils/plugs/wires were bad. although i think ive heard about that being possible on more rare occasions.
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