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Just thought I'd add in a few detailsI work at a Hyundai dealership, we have previously had a i30 sr with the same fault as described by the customer, not starting after >30min drives, but starting the second time.The tech working on the job was never able to fault it, however the customer provided videos, we were not able to drive it long enough. But the low pressure fuel pump (in tank) had already been replaced with no change.We attempted to swap a high pressure fuel pump from a working vehicle which had no effect either.
ATM nothing as the customer took their vehicle back as they needed it, we were never able to fault the vehicle in the shop or when running a data logger on it overnight, the tech spoke to Hyundai for possibilities to trigger the issue, which involved spritied driving, etc, still no fault, expect customer still noticed it. So it seemed to be very intermittent. We also hooked up a fuel pressure guage overnight to see if it was loosing pressure making a longer crank.Also every sensor on the vehicle can be monitored and viewed live, just not very useful until the fault occurs.We found the best temporary fix was to press the start button twice without pressing the brake to turn the igniton on (until the dash light up), allow the fuel pump to prime, then start the car, seemed to work every time.
While I understand it's not normal to have to prime before start I wouldn't be able to tell you anymore, the car had left the workshop and honestly no one is interested in something that isn't of concern anymore, except me, I am about to lay down some cash for one so only interested as it's starting to become a common issue.I would personally say it's not something mechanical because as I stated in a previous post we replaced the high pressure pump from a another vehicle and no change, it is most likely software/firmware which Hyundai will need to look into further.With the flight recorder's, they record all the current data from all systems and modules of the vehicle and also any fault codes put in current including time and date. Besides the AutoLink Module their isn't any permenent blackbox available that would be able to give the detail the flight recorder can.
@Lachiepower0402 Hi from me and As Tw and Dazz have said, thankyou for your input. The problem you are trying to solve used to have a term in the electronic trade of " Dog fault"...you have to put it in a corner with instruments attached until the fault occurs and adjust the instruments to narrow down the area of concern. This can take days or weeks.Someone in Hyundai has to have the initiative to retrieve one or two of the complainants cars and give them a replacement. Then high level techs need to take charge of diagnosis.Ive looked at the screenshots above and while I don't want to knock the repairer, I am a bit confused. Is this the same fault?If he had a "short to ground at pin5 E44" the relay(E44) would not pull in , therefore no starter motor action.He hasn't explored the harness to find a very intermittent fault which occurs while the starter is cranking.
So far this issue is restricted to the SR (petrol) models. Is that right?
Just FYI guys, James after the fight he had with Hyundai and then the damage the motor group added to one of the wheels has decided to part with the Hyundai. Traded it in and bought an Astra which he is quite happy with!
Thanks for the heads up @lukeee Disappointing, but understandable.Here's the reply from Hyundai...Hi Darryl,Thanks for your email, we would suggest that anyone experiencing a concern with their vehilce will need to present it to their Hyundai Service Department. Unfortunately we are unable to assist with providing diagnosis over this medium and would suggest presenting your Hyundai to your nearest Hyundai dealership, we will pass your feedback and concerns through to the relevant departments for review and consideration.The dealership is equipped with the resources to inspect and diagnose the concerns. A full list of dealerships can be found by visiting the following link Hyundai Motor Company Australia - New & Used Cars Prices, Dealers & Test Drives | Hyundai AustraliaKind regards,Erin MarshallCustomer Care Specialist – Social MediaHyundai Motor Company Australia Customer Care CentrePhone: 1800 186 306And my reply to that ...Hi Erin,Thanks for your reply. The relevant members have been dealing with their closest dealers, with limited success. This is why I am happy you are passing on our concerns to the relevant departments. It seems to be happening often enough that a higher authority needs to be made aware so the fault can be adressed and worked on as a priority. I'm not sure how bad things need to get before Hyundai Korea start throwing resources at fixing an issue?Thanks again for your time.Regards,Darryl Bailey
Maybe they would listen if Current Affair got involved .