What is a Renix Jeep Cherokee?
Renix (Renix Electronique) was a joint venture by Renault and Bendix that designed and manufactured automobile electronic ignitions, fuel injection systems, electronic automatic transmission controls, and various engine sensors.
What years did Jeep use Renix?
The Renix control system was only found on the 1987-1990 Jeep Cherokee and Comanche with AMC-designed engines (the control setup used with the 2.8 L (171 cu in) V6 was OBD-I General Motors, and the early Diesel was a 2.1 L (128 cu in) Renault turbodiesel I4 that used its own specific control setup.)
Is the 4.0 Renix engine part of the ground issue?
Eagle, i didnt relize it was renix also, looks nothing like the renix engines i have seen in the past. open cooling system, very basic 2.5L i’ll snap some pics of the odd stuff i see on the 4.0. Also i press the brake pedel and my turnsignals light up, is this part of the bad ground issue?
How does The Renix sensor on a Jeep Cherokee work?
Energizes the EGR valve solenoid to prevent flow of vacuum to the EGR valve. Update: Basically – this sensor functions by providing a resistance-to-ground circuit that the computer (ECU) uses to determine how much fuel the engine requires. (The hotter the coolant – the lower the resistance.)
How to fix RENIX 4.0 engine-MJ Tech?
Wipe out the connectors after spraying with a soft cloth. If you have a small pick or dental tool tweak the female connectors on the one side so they grab the pins on the opposite side a bit tighter. Apply a true dielectric grease to the connection and bolt it back together.
Why does my Jeep Cherokee have bad ground connection?
Update: Suggestion: If you are having intermittant idle / surge issues and can’t quite get the voltages to set right – before going out to buy a new TPS try checking your ground connection. Renix engines are notorious for having bad / faulty ground connections as a result of age and not so great design in the connectors.
When was The Renix system used on the Jeep Cherokee?
The Renix computer was first used on 1986 AMC 2.5 L four-cylinder enginess. The system improved the drivability of the Jeep Cherokee and Comanche over carbureted models. The power increase was also noticeable. The Renix system was used through the 1990 model year.
When did the Jeep Wrangler get a 4.0 engine?
The Jeep Wrangler (YJ) did not get the AMC 4.0 engine until 1991, when it was accompanied by Chrysler-designed electronics as well. Until then, it retained the AMC 258 cu in (4.2 L) engine with a carburetor.
What kind of engine does a Jeep Cherokee have?
It is better known in America for its application in the AMC 4.0 L displacing 3,960 cc (242 cu in) straight-6 engines. Production began by American Motors (AMC) with the 1987 Jeep Cherokee (XJ) models. It was preceded by the AMC Computerized Engine Control, and followed by Chrysler ‘s Mopar MPI system.
When did The Renix control system come out?
The Renix control system prior to 1991 can be tested only with Chrysler’s DRB tester, and the diagnostic test modes for 1989 and later engines with SBEC controllers differ from those provided for 1988 and earlier models. 1986 – Renix TBI available on Jeep 2.5 L four-cylinder engines.