2002 Hyundai Elantra 2.0 starting issues in warm weather

Asked by May 16, 2015 at 06:36 PM about the 2002 Hyundai Elantra GLS

Question type: Maintenance & Repair

I have a 2002 Hyundai Elantra 2.0. In the cold, my car starts fine usually with the engine turning over once before firing. In the warmer weather, I have to crank it usually 4 or 5 times before the car starts. Sometimes it doesn't start and just sputters.On those instances I try it again and usually the same result. It wants to start but just sputters and almost seems to flood out. I sit for about 30 seconds and crank it again and it starts right away. I've been paying close attention to the sound the fuel pump makes when I turn the key to the "on" position but don't crank it and on the first attempt, I hear a high pitch humm and then a low pitch. I shut the key off and then to on again and a low pitch hum all the way through it cycling. It seems like a fuel supply issue but I'm not sure. I am going to replace the plugs and wires first but once the car runs it idles fine and runs fine on any road or highway no matter what the speed which makes me think its not the fuel pump. Almost like the fuel is draining back to the tank and when the pump cycles at first it is dry of fuel and then starts pumping when it hits the low hum. I have had a check engine light for a while due to an O2 sensor but have never had starting issues due to tthat. Could it be the pump? or soemthing else? Let me know what you think.

1 Answer

815

try this doesn't cost nothing in front of car the fuse box under the engine hood pull fuel pump relay out bend pins a little to make relay tighter in socket relay gets hot well driving weakens socket and make bad connection to relay, has happen to me winter car ran good summer it was like hitting the lottery if it started all because of bad connection with relay.

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

Search Hyundai Elantra Questions

Hyundai Elantra Experts

#1 pittgirl
pittgirl
Reputation 1,980
#2 Carrie Shelton
Carrie Shelton
Reputation 1,370
#3 tenspeed
tenspeed
Reputation 1,060
View All

Related Models For Sale

Used Hyundai Sonata
619 Great Deals out of 52,210 listings starting at $1,495
Used Honda Civic
512 Great Deals out of 89,870 listings starting at $1,299
Used Toyota Corolla
699 Great Deals out of 73,138 listings starting at $1,950
Used Honda Accord
769 Great Deals out of 88,117 listings starting at $1,150
Used Toyota Camry
844 Great Deals out of 90,969 listings starting at $850
Used Hyundai Accent
172 Great Deals out of 12,728 listings starting at $2,000
Used Nissan Altima
894 Great Deals out of 80,546 listings starting at $1,800
Used Kia Optima
397 Great Deals out of 31,037 listings starting at $2,995
Used Ford Focus
542 Great Deals out of 57,101 listings starting at $800
Used Nissan Sentra
420 Great Deals out of 56,140 listings starting at $1,400

Used Cars For Sale

2014 Hyundai Elantra GLS For Sale
37 listings starting at $8,950
2013 Hyundai Elantra GLS For Sale
85 Great Deals out of 2,454 listings starting at $4,900