I have a 1991 G102 Charade 1.3 lt EFI with the check engine light coming on sometimes on the highway. It only stays on for a very short time and the vehicle doesn't run any differently. I can't find the diagnostic plug and hope someone can help me. Once it is found I will need the codes to.
Hi, it sounds like an electrical fault, possibly some loose wiring or poor grounding or possible a faulty sensor somewhere so you should prob take it to an auto elecrician rather than trying to do it yourself unless you have a workshop manual and a fair amount of knowledge. As for the diagnostic plug, its on the right hand side (passenger side) in the rear corner near the fuel filter its about 5cm long and black and has diagnostic printed on the top of the cover. Hope this helps.
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sound like faulty alternator.check battery voltage should be 12.6 volts.replace battery cables if they are very old.if battery and cable okay.start engine check alternator voltage out put at the battery.with engine idling.alternator out put should be 13.5 - 14.5 volts.if not.check alternator, fuse,check alternator battery feed wire and voltage regulator wires for damage or loose connections.check alternator drive belt tension.make sure drive belt not slipping,worn, glazed.replace drive belt if glazed.
make sure your using the high grade gas, thie lower ones will cause damage to the engine, it's a small engine but a good one, so it is desingned for the higher grade to make the most of the fuel efficentcy.....shia....hope this helps
ok.. for starters you need to check why you are loosing revs.. it could be your powersteering switch on your steering rack not working.. just bridge switch to test.. revs should not drop on steering.. then check fuel pump relay.. and efi relay.. theese cars are gettin on.. so could be faulty with long use..heat related.. insert a visual inline fuel filter and when it stalls check fuel flow... aswell as put a little fuel in the vacum hose line and see if it starts to confirm its a fuel issue... if the visualis fuel flow than its fuel pump related.. wires can come loose of pump .. as they travell under rear seat.. and into tank.. ... good luck
try to adjust the tension cable between your pedal and the throttle swing arm and if this thus not work try to clean your carb if you have a carb engine and if you have the EFI engine try to check the iddling resistor it is usually on the other side of your intake butterfly valve.