Questions & Answers for: Oldsmobile Cutlass Supreme what is vapor lock

...that most people over look is the map sensor,this map sensor can cause this problem. it could be vapor locking,try losing the fuel cap, it could also be the fuel pressure regulator!! Have you ...

...vapor canister purge valve. dont know what else to do . need help in worse way. Check timing and timing chain. Aim a timing light at the crankshaft. If the markl jumps around a lot, your chain has ...

...the negative cable at the battery. Loosen the fuel tank filler cap to relieve any fuel tank vapor pressure. Wrap a shop towel around the Schrader valve on the fuel rail and remove the dust

...vapor lock? Vapor lock is more or less impossible with a fuel injected engine. Years ago when engines used a carburetor, liquid gas flowed thru the line from the tank and sat in the bowl of the carb ...