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On Wed, 29 Aug 2001 20:48:10 -0600, Jim Adney wrote: >On 30 Aug 2001, at 15:39, Mark Healey wrote: > >> Throughout this saga people were telling me to check things that I had >> checked earlier on. So here is a complete description the problem. I >> hope someone can come up with something else to check before I start >> spending a bunch of money swapping out parts. >> >> P.O. had a mix-n-match FI system in there. I couldn't >> ajust anything right. I put in all 71 parts and it is alot >> better but still not right. >> >> >> The problem: >> >> Power and mileage are low and there is black smoke in the >> exhaust. >> >> What I've checked or ajusted. >> >> Fuel Pressuere is 28 psi >> >> Charging voltage is 14.0 >> >> Valves are ajusted. >> >> Dwell is set with the feeler guage. >> >> It is timed. >> >> Compression is 100 all the way around. >> >> All spark plugs were blackened. Now cleaned and gapped. >> >> Idle is 800. >> >> Primary MPS winding is 100 ohms. >> >> Secondary MPS winding is 350 ohms. >> >> Temp sensor 1 is 300. >> >> Temp sensor 2 is some value I forgot but I wrote "OK" in the >> book. >> >> What's left to check? >> >> Someone suggested that the cold start valve or injectors >> might be leaking. I doubt this becaue it was running lean >> before I put in the new parts. >> >> It was taking a while to start and then ran smoothly. Jim >> suggested that there was a leak in the fuel lines but I >> think the air got in when I put on and removed the pressure >> guage. >Suck on the pressure sensor: Does it hold vacuum? It should. OK. >Try a different pressure sensor. > >Try a different brain. These are the expensive things I was hoping to avoid. Oh well. >Do you have a proper matched set of 71 parts? (I can't remember if >I helped you with these or not...?) You sold me a throttle valve switch and a pressure sensor to go with my "E" brain. If I had the right distributor I could try an "E" setup, but I don't Mark Healey 71 FI auto square 71 FI manual square marksvw@healeyonline.com ------------------------------------------------------------------- Search old messages on the Web! Visit http://www.vwtype3.org/list/