Hi all,

I have an issue at the current time in which the engine will crank and start from a cold start but it takes 4 or 5 times for it to fire. Once it does you can drive but if you stop and turn off the engine it will not start again until it cools down. It also has a tendency to stall when giving it gas from a standing start no matter if it's warmed up or not, after which it will not start until it's cooled down.

This is what i checked so far:

Check Engine Light NOT on = no codes just repeated ‘12’ with paper clip test
Air Filter = removing Air Filter did not help
Gas Cap = Removing Gas Cap did not help
Battery = new (previous battery was 1000 CCA)
Cables = good
Alternator = putting out 14v to the battery
Starter = new (12.4 v getting to Starter B+ from Batt
IGN Switch = bypassing with remote starter did not help
Neutral Safety Switch = bypassing with remote starter switch did not solve issue
Spark to spark plugs -= Tested with Lisle spark tester and could see red flash on all wires tested (will test with OTC HEI Spark Tester as soon as i have one)
Spark Plugs = pulled two random sparks = Tanish colour. seem OK)
MAP = disconnecting electric connector to MAP did not help
Vacuum good (19”Hg steady)
Fuel Pressure Regulator = Visual inspection revealed Diaphragm not leaking, spring strong, not broken
Fuel Pressure = 11psi steady
Fuel Filter = removed for testing

Any help would be greatly appreciated

Cheers! tonyfalcon

1995 Chevy Suburban K1500 4X4 350 AT