Date: Mon, 02 Jul 2007 21:48:34 -0400 From: Bjorg <bjnospamam.net> Subject: Re: 1997 900S starting problem.
garygrnospaml.com wrote: > Recently aquired 1997 2.3L non-turbo manual trans 900S frequently > fails to start. Cranks fine, good battery voltage, no spark, fuel > pump runs and develops normal pressure during no start condition. > Resistance readings on coil and camshaft sensor appear normal. > Crankshaft sensor is 930 ohms. Can get car started by a dose of > starting fluid in the throttle body and will run and start fine for a > week or two and then no-start condition reappears. No start appears > after vehicle sits 10 hours or more, never had a problem with re- > starts after getting going in the morning. Cannot figure out the > relationship of the starting fluid to the computer releasing the > ignition. Is there any info available on what inputs the Motronic > computer is looking for to start sending pulses to the coil? Thanks > for your help. > It is possible that the check valve in the fuel pump which keeps the fuel lines pressurized is leaking (you mention no start appears after 10 hours...) and therefore you don't have enough fuel pressure in the lines to energize the fuel injectors when you start the engine