Primosboy
Member
- Joined
- Feb 7, 2009
- Messages
- 142
- Reaction score
- 19
- Points
- 18
- Location
- Sacramento Ca.
- Vehicle Year
- 1988
- Make / Model
- ford
- Engine Size
- 2.9 efi v6
- Transmission
- Automatic
So I just bought this 87 that was parked and sat for two years. Changed out old gas and fuel filter and ran sea foam through it. Would only run when you pump the gas and even then ran crappy. I changed out the map and fires right up now. Idles smoothly but at 3k rpms. After it warms up it goes down to about 2100. Rev the engine and it takes a good 5 seconds to get back down to 2100. I've taken apart and cleaned throttle body, fuel rail and injectors, vacuum lines.. Changed iac and pcv.. Cannot hear any hissing of open vacuum.. I've sprayed starter fluid around all areas air could be sneaking in.. Another detail may not be related but the rpm gauge will cut out intermittently. Drops to zero and then after few seconds back on. Any ideas?