whatis42 Posted March 20, 2007 Share Posted March 20, 2007 Can I buy a diagnose tool for my 88 with a 4.0? If not does anyone have some flow charts for diagnosing problems with a voltmeter? Link to comment Share on other sites More sharing options...
JeepcoMJ Posted March 20, 2007 Share Posted March 20, 2007 yes you can. they even have programmers available. i'm not sure who from on either, but i know you can. (they're expensive) Link to comment Share on other sites More sharing options...
fiscus Posted March 20, 2007 Share Posted March 20, 2007 This explains most of the sensors & how to test them: http://www.lunghd.com/Tech_Articles/Eng ... ostics.htm Link to comment Share on other sites More sharing options...
87manche Posted March 20, 2007 Share Posted March 20, 2007 an 88 will be Renix. You've got two choices. The AMC DRBII scanner, with the Jeep adapters The Snap on 2500 with the jeep adapters. Both are going to be expensive. With a renix rig you can diagnose most everything with a multimeter and a flow chart. Get yourself a good DMM, and a manual. You'll be better off anyway, for when it breaks down in the middle of nowhere you'll be familiar with it's operation. As far as a programmer, nothing available. There was a group in europe attempting to decode the ECU, as renault used it for a few more years over there and it was quite popular. Still, that project seems to be bogged down and hasnt had any updates in a while. The closest thing you'll get to a "chip" is the high altitude CPS, it advances the timing slightly. Link to comment Share on other sites More sharing options...
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