Re: 240 starting problem in hot weather
"Tim McNamara" <firstname.lastname@example.org> wrote in message
> In article <42FC9562.7FD9A696@allsttream.nett>,
> Mike F <"mikef2316()"@allsttream.nett> wrote:
>> Tim McNamara wrote:
>> > My 1990 240 with 155,000 miles on it has suddenly developed a
>> > reluctance to start when the weather is hot- 80s and above. It
>> > seems to not be getting sufficient fuel during startup, as giving
>> > it a little gas gets it to start. Idle is a little lopey for a few
>> > seconds and then evens out, sometimes revs highly for a few
>> > seconds. At 65-75 degrees, it starts normally. I checked for
>> > fault codes: 1-1-1 so nothing there. All the vacuum hoses seem to
>> > be OK.
>> > Recent work done on the car was replacement of AMM and airbox
>> > thermostat 3000 miles ago, replacement of master cyclinder, and 4
>> > new tires. The car ran superbly after this, until about 2 weeks
>> > ago. Other than the starting problem, the car runs great.
>> > Any suggestions as to where to start looking? Thanks!
>> Classic signs of a dead intank pump. You can hear the pump with the
>> filler cap removed and engine running if you put your ear right
>> beside the filler neck. There's a separate fuse for the tank pump in
>> the main fusebox.
> Thanks for that suggestion. I can hear the pump running at the filler
> neck and in the trunk when it's open, for that matter.
The bellows between the in-tank pump and the fuel line could be torn also -
the effect is pretty much the same. It is not available separately ($300 for
a fuel sender assembly???) so most of us replace it with regular fuel hose.
Unfortunately, it isn't easy to check. Inspection is 95% of replacement.