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Hyundai Santa Fe Start Stall Idle Problems

26 messages,  Last post on Oct 21, 2012 at 2:41 PM

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What is this discussion about? Hyundai Santa Fe, Electrical, SUV

Messages Page 4 of 4

#22 of 26 Re: Squeal, Stop, and Smoke [citycash227] by kdconod

Jan 07, 2012 (7:04 pm)

Replying to: citycash227 (Jan 07, 2012 2:25 pm)
Hard to say - maybe just the serpentine belt needs to be replaced?

#23 of 26 '03 Santa Fe starting issues. by mainevent

Apr 15, 2012 (9:13 pm)

My 2003 Hyundai Santa Fe has issues starting every time you attempt to start the vehicle, the motor turns over but does not crank, you have to try at least 3 times EVERYTIME. It normally cranks on the 3rd time. I have replaced the plugs and plug wires but that had no effect. This has been an on going issues since I purchased the vehicle used about 3 years ago. It has progressively gotten worse. Recently I have noticed that the headlight, taillight and seat warmer are all out on the driver side and the radio cuts off at random while going down the road. Any suggestions?

#25 of 26 Rough Idle on 2003 Hyundai Santa Fe 2wd 3.5L V6 by atreides096

Aug 17, 2012 (4:57 pm)

Purchased a 2003 Hyundai Santa Fe with 149k miles on it a couple of months ago. Work we did to it includes:
 
* Replaced most of the filters, hoses and belts (including timing belt)
* Replaced spark plugs, cables, and 2 of the 3 ignition coils
* Degreased the engine
 
After that, when not moving (such as a red light), the engine would rev up and then slow down and/or stall. That lasted for about 100 miles, and then stopped.
 
Note1: The spark plugs were AutoLite Double Platinum, not NGK.
Note2: The fuel gauge was wrong the first time we filled the vehicle up. After letting it run out of gas and then filling it up again, the fuel gauge started working - so we never checked the condition of the fuel pump.
 
Since the rev/stall problem stopped, the vehicle has had a really rough idle and is consistently getting under 15MPG on the freeway, 12 city (EPA rated at 19 FWY, 15 city)
 
We've heard the following theories raised:
1. Got water on the spark plugs when degreasing
2. Throttle Body is bad
3. Should have used NGK Iridium spark plugs (note: OEM was double platinum)
4. Common problem with that vehicle - no way to repair it
 
Do any of these theories make sense? Any other ideas as to the problem? Before we spend 1/2 a day taking the car apart again, I'm hoping to get an idea of what to look for... especially if the rough idle problem is really just a "feature" of the vehicle.
 
Thanks a lot for your help!!!

#26 of 26 Re: Rough Idle on 2003 Hyundai Santa Fe 2wd 3.5L V6 [atreides096] by pinky84

Oct 21, 2012 (2:41 pm)

Replying to: atreides096 (Aug 17, 2012 4:57 pm)
have u tried the mass air flow sensor , the throttle body . the oxygen sensor on my there are 2 oxygen sensors it a 2003 4cylinder manual transmision.....take it to a shop they have to know what is wrong with it if they cant fix it sue hyundai for ur money back ....

Messages Page 4 of 4

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