Hi there, so we have a 1997 GMC Jimmy with the 4.3 vortec. It has a newer MAF sensor, fuel filter, plugs, wires, distributor cap and rotor, and a strong battery.
So this winter apparently at the beginning it actually started fine around -30c. Then another day in -18c the Jimmy would not start. This happened several times in that temp range. After being plugged in for 45 minutes it will start fine. Without plugging it in, you can crank and crank and crank until the end of time the most you get is a sputter and nothing more.
I would like to find the problem and solve it so there are no more reliability issues.
The only hunch I have at the moment would be the intake air temp sensor?
Thanks for any advice in advance.
So this winter apparently at the beginning it actually started fine around -30c. Then another day in -18c the Jimmy would not start. This happened several times in that temp range. After being plugged in for 45 minutes it will start fine. Without plugging it in, you can crank and crank and crank until the end of time the most you get is a sputter and nothing more.
I would like to find the problem and solve it so there are no more reliability issues.
The only hunch I have at the moment would be the intake air temp sensor?
Thanks for any advice in advance.