Search results

The cheapie clear filter would show the retaining ring failure. It wouldn't help anything except keeping the debris out of your clean fuel tank. You could also remove the top of the IP and look. Why did the IP fail with such low mileage ? The truck is probably a 1985 or older model. 1986...

If the ball is missing the injector pump was probably failing and someone removed it. I would change the check valve and see or just install a clear fuel filter in the return line right there and see if it fills up with debris. I need to replace the pump on my one M1010 also for the same...

Your welcome

T_F_E spending about 5 mins on checking a return check valve is about as cheap as it gets. Gives you a pretty good indication of pump health- if it is clogged with black or brown debris its probably time for a new IP. If the ball is knocked out chances are it was clogging and Previous owner...

I just replaced an injector pump with the problem I described yesterday. It surged at idle and ran down the road about like an old Holly double pumper with a bad power valve. At steady throttle it would surge. With the replacement Injector Pump in runs real nice.

The IP return check valve is screwed into the top of the injector pump it has a rubber hose attached. Remove the rubber hose unscrew the valve it may be plugged or it may have had the ball punched out. The ball is clear so you may have to carefully insert some object to see if it is still...

Could be several things. The first thing I would check is the Injector Pump Return Line check valve. It will surge if someone knocked the ball out to run it with a bad IP. Only takes a minute to check. If not that maybe a fuel dellivery problem to the IP.