Re: 2000 chevy blazer wont start overheated and now wont...
This model has a problem with the fuel injectors and the fuel pressure regulator, its under the intake manifold, one peice unit...getting fuel in the engine.....how do ya know...wait did you change the plugs after it would not start?...re check the wires might be wrong firing order
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Check the plug wire from the ignition coil to the distributor cap. If you haven't already, replace the distributor cap and rotor. The GM Vortec's have issues with moisture getting inside the cap and rotor and causing problems.
Disconnect the wires and take pictures with cell phone for reference to ensure you don't cross them when reinstalling the new distributor cap. Remove the two torque screws in the distributor cap and remove the distributor cap to access the rotor. Remove the rotor by lifting straight up and inspect the distributor for any condensation and corrosion. Clean the breather screen at the bottom of the distributor before installing the new rotor which just slides back in place. Install the new distributor cap and tighten the new torque screws, make sure you do not over torque the screws since the distributor housing is plastic and prone to stripping. Reattach the spark plug wires and start the engine and idle for 5 min and go for a test drive. Good luck and you may want to also buy spark plug boot lubricant to ensure the spark plug wires are fully installed when placed back on the new distributor cap and recheck connections after test drive. Keep me posted, be glad to know your blazer is running 100% and please rate.
if it does not start after you check your distributor cap that means you took the car out of timing, when you put the distributor cap back on you did not put it is the correct position, now you need a mechanic to get the timing of the engine