Ok so I thought I had everything worked out. Car was purring and running like a new car after replacing map sensor. Left track last night and idle started going down then up and with lights on car constantly cuts off when I stop. Battery good and alternator charging, any ideas?You need to dump codes to see if the ECU is giving you a code 22 with it plugged in. Could be a bad sensor
Battery was 12.87v with car off, started it and volts went to 14.67 turned lights on and volts went down to 14.37What is the alternator charging at with lights on at idle?
I checked everything on the alternator and it's charging good to. Is there more grounds I need to checkCheck the grounds, and connections at the alt.
I will check on these and let you know. Everytime I have lights on and stop car cuts off.back of head/intake to firewall ground [braided wire strap]
battery negative has a few tails on it make sure one of them runs over to the engine somewhere
check the ecu ground at the battery, it should ground with a small white connector that plugs into the negative cable harness [not sure about your year the 91 i have has this]
I got almost everything worked out. Car been running strong. Now I want to start upgrading it and make it stick. I'm in va if you know of anyone around here to help and get parts for.May not be related unless the voltage drop is significant, make sure the battery ground in connected to the block and not an accessory bracket.
Still have the 2G alternator, the one with the external fan?Battery was 12.87v with car off, started it and volts went to 14.67 turned lights on and volts went down to 14.37
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