Jun 4, 2010 · The cold start injector time switch provides a ground circuit for the injector that allows the injector to spray fuel during cranking to help start the engine. The time it allows the fuel to spray is based on what the temperature is.

Dec 22, 2016 · Now suddenly my 1990 Camry won't start after many days of sub-zero F weather. It turns fine but won't kick over. Recently replaced water pump, timing and serpentine belts, thermostat, coolant temperature sensor, and oil sensor. Also …

May 2, 2021 · If you have cold start long cranking times but eventually it starts it could be a dirty MAF sensor giving incorrect air flow readings to the computer which throws off the fuel/air mixture. They are easy to take out and you can spray it with MAF cleaner ONLY.

Dec 14, 2019 · On cold mornings, a little extra shot of fuel is required to get them started. On the old fuel-injected 22REs, that extra shot of fuel was handled by a dedicated "start injector". It was nearly imposssible to start one if the start injector quits working.

Jan 25, 2021 · Won't start the first time but starts the second time and when it starts it runs rough almost choking and wants to stall but doesn't. Runs like shit for 20 seconds then idles normally as a cold start should and runs perfectly.

Dec 21, 2013 · I have been experiencing trouble starting the truck (2013 CM RW) on cold starts. Long crank time and feels like it wanted to die. This went on for about two months as far as I can remember.

A Toyota Master Diagnostic Technician Shares information on when you should fix your engine cold start rattle and more important things that are often missed when this repair is done ...more.

Jan 5, 2016 · Common signs include hard starting, a decrease in fuel efficiency, and engine performance issues. The cold start injector, also referred to as the cold start valve, is an engine management component found on many road going vehicles.

Cold Start Valve – If the engine is cold and the cold start valve is bad, it can keep your car from starting. Flywheel or Ring Gear – Worn teeth on these gears can keep your car from starting. They will screech when they are engaged.

Apr 2, 2012 · Hi, did anyone try the scv valve? I had the same cold start issue, first attempt it would stall second it would start or start but roughly, for the rest of the day it would start no problem until the next morning, I've just replaced the scv and it's fine now.