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Hi all, i have a 19999 auto jimny with an aftermarket immobiliser that broke down so i removed it, rejoined the wires colour to same colour , i have power to the injector but it wont fire somehow i have not matched the correct earth wire i think . does anyone have an idea as to how this can be fixed its very hard to find a wiring diagram for this specific model hope you can help regards Bill
An after market immobilizer will most likely not "tie-in" as closely with the ECU as the factory fitted immobilizer, so once you've spliced the wires by matching the colors I would troubleshoot the problem as if it were a "non-immobilized" vehicle.
Does the check engine light come on when you switch the ignition on? Do you know how to use it to check for codes?
Hi all , i have just just got through rechecking the wiring all back to original colours i have power to the injectors, new fuel pump so the pressure is correct at the fuel rail ,car will run well if i introduce fuel into the intake so again i have no idea and the auto sparky also is at a loss cheers
Does the check engine light come on when you switch the ignition on? Do you know how to use it to check for codes?
What code do you get after you crank the engine?
How many wires did you need to splice? What color were they?
Moving on - did you actually MEASURE the fuel pressure or are you assuming it's correct because it's a new pump? You should have power to the injectors as soon as the ignition is switched on, but that doesn't mean that you have injector drive signals, the ECU fires the injectors by grounding them, that's another thing you're going to need to check.
hi all, checked fuel pressure all ok , , again went over the wiring all ok so i made a noid light and hooked it up to each individual
injector wiring and it showed that the pulse was in fact correct so i pulled each injector and it turned out 3 of the four injectors were stuck so i soaked each one in injector cleaner gave them a genlte tap used a power source to activate them before installing them all good ,replaced them and hit the key and away it went .thankyou to all, for your help
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