Cold start help!!

Information on the naturally-aspirated KA24E and KA24DE engines.
Abstrakt02
Posts: 85
Joined: Sat Dec 08, 2007 12:50 am
Car: 1993 240sx Hatchback (front end silvia conversion)

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The following is a list of things I've checked,

fuel pump pressureAAC valve, resistance, continuity (air regulator)IAC valve, played with adjusting screwCTSIAC, Air regulator connectorsfuses and fuel pump relaynew plugsnew injector sealsnew spark plug wires

good compression on all 4 cylinders

everything I've checked seems good

The car has a really rough cold start unless I play with the throttle it won't even start.But once the car is warmed up idle is fine and the car runs perfectly.

The only problem I'm having is the initial start up and I have no idea where else to check.

If anyone has any advice on where else and what to check it would help greatly.

THanks


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boyka240
Posts: 35
Joined: Fri Jul 25, 2008 5:00 am
Car: 91 Nissan 240sx Ka24de 270,000 coupe
Contact:

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I basically had the same problem. I ended up figuring out that the temp sensor on the front of the engine was bad (actually just the connection). I would check the oms and conection, along w/ all of the sensors on the front of the motor. some times i just have to jiggle the wires and it will change the way the car runs. I hope this at-least knocks out another possibility.


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