1985 Silverado with TPI Fuel Pressure Issues - Long post

[Bloodhound]

My guess was going to be a fuel leak somewhere, that obviously confirms it. If that line is cracked, which is a bit unusual, Ebay is full of TPI fuel rails.

[madgoatboy]

Originally Posted by Bloodhound

My guess was going to be a fuel leak somewhere, that obviously confirms it. If that line is cracked, which is a bit unusual, Ebay is full of TPI fuel rails.

Thanks. It wasn’t initially leaking just had a weird pressure issue. Only after the Adjustment Fpr did this happen. After about 5 min of running. I’ll see if I can find a rail
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[madgoatboy]

Originally Posted by Bloodhound

My guess was going to be a fuel leak somewhere, that obviously confirms it. If that line is cracked, which is a bit unusual, eBay is full of TPI fuel rails.

Well, the leak was coming from the new adjustable pressure regulator. Resolved it by tightening it some more (my fault) for not double checking. Fuel pressure did the same thing after resolving it.

I did notice something semi-weird. I unplugged the throttle position sensor and the truck ran for a lot longer before the pressure suddenly dropped. It would sort of hover around 50 - the needle was not stable but would stay there at least before going back off the rails and then to 30. It would still die if I went to the left tank. I have a combination of problems I think and hopefully, the shop can fix it. I'm out of time.