2007 Santafe 3.3l issues - LS1TECH - Camaro and Firebird Forum Discussion

2007 Santafe 3.3l issues

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Old 03-22-2017, 09:30 PM   #1
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Default 2007 Santafe 3.3l issues

hi folks, excited to be here. I have been battling with hard starting of my Santafe 07 3.3l for 2 years, anytime i want to start the engine especially if the vehicle is parked for over an hour or cold., engine cranks twice before starting or starts and then goes off but starts at second attempt. the only DTC is P0420 and P0430.
Noticed couple of exhaust leakages at the joints and have so far replaced all the gaskets on the exhaust system. code clears and comes back again. on the starting issues, i have replaced CMP, speed sensor and fuel pump assembly(3 times). Its having a toll on the battery, having to replace batteries every 4 months. vehicle drives smooth when engine starts. . please can anybody decipher this and also assist me to solve this cranking issue. I am at my wits end. By the way i have 2 scanners Launch 431 pro3 and TOAD.
MODE$06 onboard monitoring
Cid $60 TID$04 manufacturer Defined value 160 min.160 max N/A results Fail
cid$70 TID$04 manufacturer defined value 45 min 160 max N/A result Fail
gosh! my name is Gerald
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Old 03-23-2017, 08:41 AM   #2
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Welcome Gerald! There are quite a few Hyundai Santa Fe experts here on our LS1 site, so I'm sure they'll be along to help you shortly.
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Old 03-23-2017, 03:04 PM   #3
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Cut the catalytic converter off, and run that bitch straight piped.

If that doesn't work, I would try submerging it in water. Submerge what you might ask? The whole damn car.
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Old 03-26-2017, 10:14 AM   #4
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or set it on fire
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