93 S10 2.8 TBI tries to start but won't

Asked by Dec 01, 2017 at 08:00 PM about the 1993 Chevrolet S-10

Question type: Maintenance & Repair

93 S10 2.8 TBI. Cranks fine, fires but will not stay running. Fuel pressure looks ok. Cleaned the IAC. Truck ran great the day before and now it acts like it wants to start but won't. With rare exception that if I crank it long enough it did start once. After clearing it's throat it Idled and ran fine. After it was warmed up I shut it off and hit the key again. This time it fired rite up. But, the next day it was back to trying to start but nothing further. I'm out in the sticks without anyplace that may have a tester. So I do not know if it has any codes. Seems like it could possibly be a few things. The IAC, the MAP, the TPS, or maybe even the EGR. Any help running down what part/parts make more sense would be great.

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