QuestionSorry, I failed to ask the location of the CPS and the steps to replace myself. The dealer ballparked that it would take around 5 hours labor ($475) and that I should still have the diagnostic check done ($100) The part costs $88.
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-----Question-----
My Santa Fe stalls while driving and often will not restart until it has been sitting for a period of time. Check engine light is on. I cannot seem to find any information on the fuel pump, filter or sensors. I have read online that there was a recall for the Crankshaft Positioning Sensors, but I cannot be sure if it applies to the 4cyl 2-wheel drive model.
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These symptoms are consistent with a failing crank sensor or fuel pump.
The crank sensor recall only applied to V6 models.
You should be able to find excellent information at www.hmaservice.com. You'll need to register for a free account, and the site requires Internet Explorer. Inside, you'll be able to view the shop manuals, schematics, and technical service bulletins.
AnswerOn this engine, the trouble code for a crank sensor would be P0335.
The computer doesn't monitor fuel pressure, so it wouldn't be able to set a code for the fuel pump. It's possible you might get a consequential code for lean mixture or a misfire if the fuel pressure were low enough to cause excessive injector on-time or the injector to not open at all.
To replace the crankshaft sensor, you'll need to remove the timing belt, which is tricky on your engine. If you're not completely comfortable with the simpler timing belt replacements, then it's probably better that you didn't do this repair. Most of all, it's ill advised to replace the crank sensor without some sort of verification that it's bad.
It'd be my recommendation to have some diagnosis done. You might first try a local AutoZone or someone that will read ECM trouble codes for free. If you've got a crank sensor code, then you know what you'll be looking at. If you can check the fuel pressure yourself, do that. If you still don't have an answer, then have the dealer go ahead and diagnose the problem. Although $100 isn't a small amount of money, I doubt it compares to the expense, lost time, and aggravation you'd experience if the crank sensor weren't the problem. Once you have a diagnosis, you can decide whether it's better to do the repair yourself or have the dealer do it for you.
If you still want to replace the crank sensor, let me know, and I'll do my best to give you step-by-step instructions. If your timing belt is more than two years or 30k miles old, you should replace the timing belt and balance belt while you have the engine apart. The maintenance interval on the timing belt/balance belt is 4 years/60k miles, and your engine is known for having timing belts fail near the specified interval.
