Rockape Posted November 8, 2012 Share Posted November 8, 2012 Hi guys, Setting off to take advantage of a bit of sun today, the Cat wouldn't start! Fired immediately then died within 2/3 seconds. Nothing had been altered since the last outing a week ago. Pressed the inertial switch just in case and rnlocked the immobiliser but no joy. Any ideas? Brian Link to comment Share on other sites More sharing options...
Rockape Posted November 8, 2012 Author Share Posted November 8, 2012 PS. It's an 1800 K Series. Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted November 8, 2012 Member Share Posted November 8, 2012 Was it turning over on the starter as quickly as usual? Jonathan Link to comment Share on other sites More sharing options...
Klunk Posted November 8, 2012 Share Posted November 8, 2012 Can you hear the fuel pump priming when ignition switched on? Does it do the same thing each time (2-3 secs then dies) or will it not start at all now? Giles Link to comment Share on other sites More sharing options...
CharlesElliott Posted November 8, 2012 Share Posted November 8, 2012 Sounds like no fuel pump either because it is broken or immobiliser. If the immobiliser was on and you ran the car, you will have emptied the fuel lines/fuel rail. If you have a master switch you can turn it off and the on about three times, allowing the fuel pump to prime each time. That will re-pressurise the rail. Otherwise you will have to wait for the ECU to time out each time so that it runs the pump when you turn the ignition. Link to comment Share on other sites More sharing options...
rj Posted November 8, 2012 Share Posted November 8, 2012 How about the inertia switch? Link to comment Share on other sites More sharing options...
Stationary M25 Traveller Posted November 8, 2012 Share Posted November 8, 2012 Have you checked the fuses - especially ECU fuse (replace 20A with 30A if not already done) and fuel pump fuse. Link to comment Share on other sites More sharing options...
Grubbster Posted November 8, 2012 Share Posted November 8, 2012 Hopefully the fact he hasn't replied means he's out blatting Link to comment Share on other sites More sharing options...
john milner Posted November 8, 2012 Share Posted November 8, 2012 Sounds like the IACV needs a clean or replacing. If it is this then you should be able to start engine by pressing the accelerator at the same time as starting. When warmed up it should be OK. Link to comment Share on other sites More sharing options...
Stationary M25 Traveller Posted November 8, 2012 Share Posted November 8, 2012 Quoting Grubbster: Hopefully the fact he hasn't replied means he's out blatting Hopefully so Link to comment Share on other sites More sharing options...
Rockape Posted November 9, 2012 Author Share Posted November 9, 2012 Thanks for all the excellent suggestions; I'll take a look tomorrow and get back to you. Brian Link to comment Share on other sites More sharing options...
Rockape Posted November 17, 2012 Author Share Posted November 17, 2012 Going again ! Can't explain it. Topped up the battery - my attempts to start it had sucked some life from the battery. Double checked immobiliser and inertial switch; still ran briefly and stopped. Tried again sitting in the car and blipping the throttle - success! Brian Link to comment Share on other sites More sharing options...
charlie_pank Posted November 25, 2012 Share Posted November 25, 2012 Immobiliser stops the injectors from firing so it wouldn't run at all if that were the problem. Sounds like a fuel pump issue to me. When you turn the ignition on, you should hear the fuel pump prime, if you don't, it's a problem! Try to get used to listening out for it so that when your intermittent problem returns you have more info about the source of the problem. Link to comment Share on other sites More sharing options...
john milner Posted November 25, 2012 Share Posted November 25, 2012 Tried again sitting in the car and blipping the throttle Still sounds like IACV to me. If it is stuck the car should start with blipping and if the temperature is not too cold the IACV wouldn't be needed for very long. Link to comment Share on other sites More sharing options...
charlie_pank Posted November 26, 2012 Share Posted November 26, 2012 Should hear the IACV resetting itself when you switch the ignition on (before you turn the starter-motor) too. IACV sounds like an-old fashioned floppy-disc drive running and comes from in front of you. Fuel pump is high-pitched and comes from behind you. Link to comment Share on other sites More sharing options...
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