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Post by mrrubburn on Jul 10, 2016 8:58:47 GMT -5
I have misfiring problem on my 1994 carbbed justy. When I try to start I have to hold the starter and engine slowly picks up speed and stays on, and i remember it used to start in less than half a second. It is even harder to start if you give it a bit of gas while cranking. After it starts, it idles about 900 rpm, but when it is still cold, if I stomp the gas it dies. I start it back up no problem. If it is operating temperature at idle and I stomp the gas it starts misfiring on 2 cylinders while it is climbing rpms to 2000rpm and then runs fine again. No hesitation on load at speed or idle, although it does judder if I give it a bit of gas at 1500 rpm on 5th gear. My thoughts are, maybe the engine is leaning out? but the accelerator pump in the carb works fine as it sprays a nice jet of fuel. I looked at plugs and they look a just a tad lean in my opinion, so Im trying to enrich it a full turn after each run and see if still misfires when I stomp on the gas. From the last time I enriched it it got a bit better to be honest but I just want to make sure that there couldn`t be something else. Fuel filter is new, spark plugs new, float bowl is filled and the whole ignition system is new, from the coil to the plugs everything is new. Any thoughts anyone? Thanks in advance!
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Post by Armageddous on Jul 10, 2016 13:30:03 GMT -5
I'd check for a vacuum leak to start and verify timing is correct.
Terry
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Post by mrrubburn on Dec 30, 2016 5:37:43 GMT -5
Thank for the help terry I checked for vacuum leaks, and the timing is 6 BTDC and while setting the breaker points I found out the culprit! It was a wire from the breaker to the condenser and to the coil connection shorting out to the dizzy housing, losing spark there. Thanks for all your help she now runs like a dream getting 40mpg city ( we have no highways ). Only about 20 more things to fix until im happy with it ! Cheers MrRubburn
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