Lotus Elise S1 won't start.. fuel pump problem?

Lotus Elise S1 won't start.. fuel pump problem?

Author
Discussion

s1elisedriver

Original Poster:

37 posts

159 months

Tuesday 4th January 2011
quotequote all
Hi all i am from Sydney Australia and have a s1 elise, and am experiencing the same problem Fuel Pump not priming. It happened when i was stuck in traffic one hot sunny day and the car just stopped on me, after several attempts trying to start eventually got it towed to a garage, the mechanic showed me the fuel filter was full of dirt and looked brown, he has checked fuses and the multi function relay unit appears to be fine, he assumes tank would be filled with this dirty dead fuel thus causing the fuel pump not to work, also the fuel cut off switch seems to be removed i cant find the damn thing anywhere. so im guessing its the fuel pump itself, i was just curious every time it happens it happens on a real hot day, why is this? has it got do to with the fuel heating up..? the car getting hot? the car has not ever overheated, so buggered if i know

CraigyMc

16,387 posts

236 months

Tuesday 4th January 2011
quotequote all
s1elisedriver said:
Hi all i am from Sydney Australia and have a s1 elise, and am experiencing the same problem Fuel Pump not priming.
The same problem as what?

s1elisedriver said:
It happened when i was stuck in traffic one hot sunny day and the car just stopped on me, after several attempts trying to start eventually got it towed to a garage, the mechanic showed me the fuel filter was full of dirt and looked brown, he has checked fuses and the multi function relay unit appears to be fine, he assumes tank would be filled with this dirty dead fuel thus causing the fuel pump not to work, also the fuel cut off switch seems to be removed i cant find the damn thing anywhere. so im guessing its the fuel pump itself, i was just curious every time it happens it happens on a real hot day, why is this? has it got do to with the fuel heating up..? the car getting hot? the car has not ever overheated, so buggered if i know
If the fuel filter is brown, that suggests the fuel is pretty horrible. What has been put in it? It ought to be clean.

C

useyourdellusion

5,648 posts

190 months

Tuesday 4th January 2011
quotequote all
Sounds like a sensor somewhere breaking down when it gets hot. This will then send a false message to the ECU which will in turn stop the fuel pump.

Crankshaft and cam sensors are sods for this.

saaby93

32,038 posts

178 months

Tuesday 4th January 2011
quotequote all
Good call ^^^^
eg TDC
or check again MFU - it's only a rover ebay £10

Edited by saaby93 on Tuesday 4th January 11:03

MJK 24

5,648 posts

236 months

Tuesday 4th January 2011
quotequote all
Register on SELOC and then copy your text into a new thread in the 'Technical Discussion' forum. You'll get much more information there smile