I have a 1990 isuzu trooper and it will not start in weather below 32 degrees. when it gets above that is runs like a top.
Well, could be many things, but first and easiest, check the dist. cap and rotor, and all the plug connections. Any moisture will freeze and short out the ignition system. Also change the fuel filter. If you get the slightest moisture in the fuel it will lock up the filter when the water freezes. Could be a relay, probably "engine relay" that sticks when it gets too cold.
Some starting points I hope.
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I have considered placing a tractor block heater on it since the only one that fits heats only the oil. I would rather just solve the problem though. Battery is good and it cranks over forever. Plugs and wires are new. It just doesn't fire.
FISCHMILCH- Thanks for the attempt to help. Did all that a long time ago. I will check the relays out. Have found if I crank it over ever so gently just enough to hear it turn then wait 10-15 seconds...doing this 3-4 times. Then it catches and we are off to the races. Its just fustrating it should run right. But, at least I can drive it now instead of it sitting in the driveway.
FISCHMILCH- Thanks for the attempt to help. Did all that a long time ago. I will check the relays out. Have found if I crank it over ever so gently just enough to hear it turn then wait 10-15 seconds...doing this 3-4 times. Then it catches and we are off to the races. Its just fustrating it should run right. But, at least I can drive it now instead of it sitting in the driveway.
The motor will idle properly after about 15 minutes or so..
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