Multichrome80

My son's car stalls after running. Already replaced the alternator 3 times and battery once. New plugs. Currently reading 14 volts on the dash gauge. I'm afraid to run it at all at this point. Car will restart immediately after it has stalled. It's been suggested to me that the distributor/crank position sensor may be overheating. I read all the possible posts prior to sending this message and there is a suggestion that the gas tank sock may need to be replaced. Not even sure how to do that. If anyone has any thoughts I'd appreciate some feedback.

gerald m

Put a t fitting in the fuel line going to the carb and put a pressure gauge in the t fitting watch the guage and see if there is pressure in the fuel line when the engine quits .. That will tell you what kind of shape the fuel delivery system is in.. It will save you a lot of screwing around with the tank sender etc. It sounds more like electrical ..

satch

iTrader: (1)

The Main Relay powers up many of the items necessary for the car to run. There is a two wire plug at this relay which hoses the B/W wire and a solid Black wire. The solid Black wire is the ground wire for the relay. If it is problematic/iffy then that would cause the car to stall out. Check/clean this ground. Under the trailing coil near the relay is a block of grounds connected to the fenderwell. One of them is the relay ground.

satch

iTrader: (1)

If the engine quits the fuel pressure should automatically shut off as a safety feature. You would rather jumper the fuel check connector and w/key to on test for proper fuel pressure.

rxtasy3

iTrader: (2)

he said it's an 86. it has no carb, it's FI.

Multichrome80, never owned an fc so i can't be of much help. not sure how much of the forum u have access to but if ur able to u might want to visit the 2nd gen section for more experienced help. hope u get it straightened out. but as suggested, if u can see the fuel pressure while running and when it stalls, maybe u'll see if a drop in pressure is the cause, maybe pump stops working? multimeter on the ignition to see if maybe an intermittent problem with that. how soon after starting does it stall? keep in mind, as i said i've never owned an fc but knowing what it takes for an engine to run, this is how i'd go about trying to figure out the problem. and from all other threads i've read of problems with these later yr models, it probably wouldn't hurt to check make sure all grounds r good.

D2380

Hello was wondering how you made out with your Rx7...