bongomania Posted April 15, 2005 Share Posted April 15, 2005 Just curious you see .... Seven-Ecstasy.co.uk Fully revised and updated for 2005 including more Le Mans and Goodwood pics Link to comment Share on other sites More sharing options...
Bob Simon Posted April 15, 2005 Share Posted April 15, 2005 I don't think it's a bad thing, it just doesn't work. If the battery's flat, the fuel pump won't run. You get no fuel pressure to the injectors. If you have a clapped out ringgear or starter then bump starting will work. -Bob 94 HPC VX Link to comment Share on other sites More sharing options...
Dobuy Posted April 16, 2005 Share Posted April 16, 2005 Yep, agree with Simon, I have had to do this a few times in the last couple of days due to a knackered starter. No problem, works fine. Duratec Se7en SV, built in Dubai, pics here! Link to comment Share on other sites More sharing options...
robbieclark Posted April 16, 2005 Share Posted April 16, 2005 think its bad to bump start a cat equiped car, as the unburned fuel knackers the cat Link to comment Share on other sites More sharing options...
Tim_H Posted April 16, 2005 Share Posted April 16, 2005 *arrowup*that's the correct answer. Link to comment Share on other sites More sharing options...
Frying Pan Posted April 16, 2005 Share Posted April 16, 2005 I'm sure most modern cats would survive a bump start - they are not as fragile as once they were. Bob's right about needing some battery life to power the ECU and fuel pump etc. I've bump started my Se7en after the starter solenoid wire broke... Guy See some pictures of the build here. 5000 miles completed! Link to comment Share on other sites More sharing options...
simonbell Posted April 16, 2005 Share Posted April 16, 2005 The unburnt fuel gets dumped on the cat and cause it to overheat. One reason to fit a cat replacement pipe 😬 Simon Bell - Caterham 7 Duratec R I`ve seen the future.....and it`s powered by duratec Check out the website here Link to comment Share on other sites More sharing options...
rj Posted April 16, 2005 Share Posted April 16, 2005 As long as the engine *starts*... What's the difference from the starter motor cranking the flywheel to the gearbox cranking? Not much... The problem is if fuel is supplied but doesn't fire. With regards to the ECU requiring power to run, that's true, but not even close to as much as the starter, hence would it often be possible (and not a problem to) jump start an injected car. Link to comment Share on other sites More sharing options...
Bare Posted April 17, 2005 Share Posted April 17, 2005 Catalytics are Surprisingly Tough.. One can even run Leaded fuel (a few tankfulls even) through one with no long term ill effects. A bit of Raw fuel.. 'dumped in' sporadically will not hurt it in the least. There are more than a few "old wives tales" re Catalytics still lurking about apparently Link to comment Share on other sites More sharing options...
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