Hard starting: Coolant Temp Sensor?
 

When my car is cold, it is extremely hard to start. I crank it over, doesnt want to fire. I tap the gas pedal very quickly, and it will start to sputter. Eventually, by doing that, the car will fire and if I stop quickly tapping the gas pedal the car will die. Once I get driving, the CEL comes on for "Coolant Temp. Sensor." Once the car reaches operating temp, it drives perfect.
On my logger, with the car cold, the coolant temp is -12 or -15. After inspecting the harness lead that plugs into the sensor, I noticed the wires were a bit frayed, so my friend popped out the connectors, and resoldered new wires in there. Today I reconnected them (and they are hooked up as they were before), and it still is hard starting. So I figure it must really be the sensor itself.

Could a bad coolant temp sensor be causing all this?

I assume maybe because the ECU doesnt know if the car is cold or hot, that it adds too much fuel and thats why it won't fire.

Thanks for your help.

Re: Hard starting: Coolant Temp Sensor?
 

anyone?

Re: Hard starting: Coolant Temp Sensor?
 

Yes and yes.
I had a similar issue. It was bad wiring. But if you fixed the wiring then just move to the next logical step.

Re: Hard starting: Coolant Temp Sensor?
 

Thankyou!

Re: Hard starting: Coolant Temp Sensor?
 

Maybe you should have someone that knows what they are doing solder the connecters into the plug. not some dumbass kid.

Re: Hard starting: Coolant Temp Sensor?
 

try the little connector thats on top of the throttle body

Re: Hard starting: Coolant Temp Sensor?
 

wtf are you talking about??