22re Cold Start Injector Location

For a while, i just assumed the fuel pump wiring was irrationally temperamental (if wiring can be described as such), until i looked at the specs of the cold start injector time switch. The system has an air valve located below the tb.

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So now with a good understanding of the cold start injector and the csi time switch the last piece of the system for me was the fast idle during warm up.

22re cold start injector location. Cold start injector for a 1985 22re. It’s purpose is to supply the engine with additional fuel to enrich the fuel mixture in cold temperatures where air density is increased and additional fuel is required. The time switch and sensor are big bucks from toyota.

The cold start injector, also referred to as the cold start valve, is an engine management component found on many road going vehicles. Strangely enough, if you remove the cold start injector from your manifold (you don’t use it with megasquirt) you can tap that hole with a 1/2 npt tap. So the temperature in the morning has been between 65f and 70f over the past 4 days.

The cold start injector is ground switched, run a toggle switch in the cab connected to ground to the cold start injector, when you walk outside and your g/f's nipples are perky, flick the switch, and the cold start injector will run. Idle, low and high load are all perfectly fine, just the starts are off. Use a 1/2in to 3/8in npt adapter (available at any hardware store, pipe section) and screw you’re your new sensor in.

Sounds like the cold start injector may not be firing. The cold start injector is a fuel injector that is electronically controlled and is added to the cold air intake, which is located on the intake manifold. I got power on both sides of the injector, if i pulse the injector on my own it starts.

It's purpose is to supply the engine with additional fuel to enrich the fuel mixture in cold temperatures where air density is increased and additional fuel is required. When the engine coolant temperature falls below a certain point, the switch opens the cold start injector. The cold start injector, also referred to as the cold start valve, is an engine management component found on many road going vehicles.

The opening and closing of the injector is determined by the start injector time switch. Its a bit of a chore to adjust but if working properly adjustments is as high as ~1500 rpm at cold start dropping down to normal rpm once warmed. I also had the ecm checked by a local auto shop (he does it manually) and he said it was good.

The easiest test is to pull the connector and check the injector's two terminals with an ohmmeter. Lake havasu city, az 86403. In case you need to replace either one of these two components, you can find them here:

The system has an air valve located below the tb. So now with a good understanding of the cold start injector and the csi time switch the last piece of the system for me was the fast idle during warm up. Read, more elaboration about it is given here.

Its a bit of a chore to adjust but if working properly adjustments is as high as ~1500 rpm at cold start dropping down to normal rpm once warmed. I checked or changed the ignitor & distributor. I can find them used but nos would be amazing.

If not in spec, you'll need a new injector. As they are very pricey, i'd recommend looking for a used one on ebay, craiglist or a. It cranks for several seconds before roaring into life.

I'd even take some off brand to try. Most people seem to think it's the actual cold start injector that failed, but 98% of the time it's this switch that has failed. I've been running the manually switch for years no problem.

If engine temperature reaches below a certain point, the computer lets the injector know to add more fuel into the air mixture. The cold start injector, also referred to as the cold start valve, is an engine management component found on many road going vehicles. It's purpose is to supply the engine with additional fuel to enrich the fuel mixture in cold temperatures where air density is increased and additional fuel is required.

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