2013 Grand Vitara 1.9 DDiS Fuel System Failure Warning

[LE54FAZ]

Hi All,
The orange fuel system failure light on my 50k mile Vitara seems to have developed a mind of its own.

It will come on after about half an hour of driving , when you stop it goes off and will come on again in another 20 to 30 mins.

It did give a fault code on our local independent garages system, indicating a throttle position sensor fault. this was changed and the codes cleared. No change. Fuel filter changed, no impact and it does not show a fault code on my OBDII scanner which works fine with my other cars.

Any ideas please or is this one for a main dealer??

Jeremy

[ROBBIE]

sorry can't help. Can't cope with ecu prefer old school mechanics

[LE54FAZ]

Cheers Robbie,
Much the same myself unfortunately.

[SZ5]

First of all welcome. Another newer generation Grand Vitara on theboard.

2013 might still be covers under a Suzuki warantee? Sounds like you have done all the things I have suggested by way of fuel filter. Did you reset the codes / clear the error message when you did that?

Sorry, can't help much more. Stay with us on this forum, and see if you can get any clues from a Renault forum as that's a Renault diesel Suzuki fitted.

[LE54FAZ]

Ahh, rightho - of course it is. Thanks for that. Mil light has come on today so I might have a code now.

[SZ5]

Post up the code, I'll see if my resources tells us what to look at. Do you notice any difference in engine note / pulling power or anything else? Sometimes cars give too much information.... but I'm the sort who'd hate a little light warning about something no matter how trivial.

[twiss]

Been doing a bit of reading and apparently it could be to do with the Diesel Particulate filter.. a clogged air filter, an issue with the EGR valve, or even the pipe between the turbo and intercooler de-laminating on the inside.
Don't have a GV or even a myself but might be worth checking those things out too

[JeremyFarrow]

Same fault , fuel system warning light on after about half an hour of running. Goes off when stopped on again later etc. Sometimes throws up a throttle position fault code. If you clear that it goes away.
Is it a defective EGR? Time to replace? If so any ideas on how i can obtain the part number. I notice ebay sellers have EGR valves for about £80.00 rather than the £304 at Euro car parts.

[clarker63]

I've also got a similar issue on my 1.9 ddis 2011 gv but the 'water in fuel' light is now staying on constantly. I've drained the filter but nothing fixes it. No codes that I can see. I'm assuming it's the sensor but been quoted £160 by suzuki for that. Its not doing many miles because of lockdown. Did you manage to get to the bottom of the fault? I can't decide if I care enough about it to fix it! Any thoughts? Cheers

[ROBBIE]

I've also got a similar issue on my 1.9 ddis 2011 gv but the 'water in fuel' light is now staying on constantly. I've drained the filter but nothing fixes it. No codes that I can see. I'm assuming it's the sensor but been quoted £160 by suzuki for that. Its not doing many miles because of lockdown. Did you manage to get to the bottom of the fault? I can't decide if I care enough about it to fix it! Any thoughts? Cheers

I used to have an old Peugeot 405 diesel and the water in fuel light used to come and go all the time, I got fed up with trying to sort out why ands just left it in the end