Will a thermostat cause a car to not start?
Though a hot engine is one of the signs that something may be wrong, your engine could also start running cold. A cold engine is also caused by a bad thermostat and can affect the operation of your car. Keep in mind that the main function of the thermostat is to allow hot coolant to move through to the radiator.
What causes a car to have a hard start?
This guide will help by starting with simple fixes and conclude with the more difficult. What goes wrong? Normal wear and usage can cause a hard start condition due to lack of fuel pressure, poor intake air management, false readings to the car’s computer or weak spark.
Why is my Chevelle 350 hard to start?
Fuel pump check valve doesn’t maintain pressure in the fuel rail so it boils and then you have to crank excessively to get rid of the vapor before it will start. Bought a 1972 Chevelle 350 a couple years ago. Every time I drove it it wouldn’t restart easily or sometimes not at all unless I waited a while.
What causes a hard starting engine to go cold?
Even more, the computer uses information from (ECT) and other sensors, to adjust ignition timing as needed. A hard starting engine when cold, is usually associated with certain components; when they begin to fail or wear out. Although not exclusive to this condition, the following components, are worth checking:
What should I do if my engine won’t start?
You should hear the pump start in the fuel tank for a brief period and then stop, cycle the key “OFF” then “ON” again without cranking the engine over while listening to the fuel pump, and do the cycle one more time to make three subsequent cycles.
Are there any problems with the warm start?
Warm start problems… Well, I think I have an idea, but looking for some confirmation… 05 Equinox, occasionally exhibits a rough start (generally after going to start it within an hour or so of it running). It cranks and cranks and cranks, but takes a while to finally start.
Why do I have a hard time starting my car?
There are varied reasons why you may have a hard time starting the engine; when cold or hot; This is perhaps the most common fault to appear under this condition. You may notice the starter motor not working as usual or weak. Check your battery first. Then, have the starter motor tested, if necessary.
Why does my computer say cold start is too lean?
The computer in every fuel-injected car must know two things before it can figure out the correct cold-start air/fuel mixture: the engine coolant temperature and the outside air temperature. Your symptoms are a dead ringer for a bad engine coolant temperature sensor (ECT). The computer is calculating an air/fuel mixture that is too lean.
Even more, the computer uses information from (ECT) and other sensors, to adjust ignition timing as needed. A hard starting engine when cold, is usually associated with certain components; when they begin to fail or wear out. Although not exclusive to this condition, the following components, are worth checking: