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1997 Hyundai Elantra fuel injection not working

Tiny
LITTLEBETHYC
  • MEMBER
  • 1997 HYUNDAI ELANTRA
  • 4 CYL
  • FWD
  • MANUAL
  • 149,000 MILES
I'm a poor college student and I have no other car options and no one can answer my questions.

The car is having fuel injection problems.
replaced fuel filter, plugs, wires, coil, there has been more done to the lines, but I'm not sure what.

the current problem:
the check engine light has been on for 4 months now

the car will run and then when I park it to do errands or whatever, it will not start unless I let it sit for 30+mins.

just 4 days ago this problem worsened when I stopped 1.5hrs into a 2hr drive at a rest stop and then restarted the car to find that it would not go faster than 30mph/3rd gear. After sitting on the highway for 40+mins the car started running like it was before it died.

I really need someone to help me with the problem. Thank you!
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Tuesday, December 15th, 2009 AT 3:08 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the fuel pressure to rule out a failing fuel pump and for injection pulses
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Tuesday, December 15th, 2009 AT 3:34 PM
Tiny
LITTLEBETHYC
  • MEMBER
  • 2 POSTS
Thank You rasmataz! I'm pretty sure that has been at least checked and I'm pretty sure the fuel pump was replaced. My dad & brothers worked on it for months before it was on the road, so it's something not so simple. I am wondering if a rusty gas tank or possibly the need for new fuel lines (which I don't even know is possible) is the probelm?
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Thursday, December 17th, 2009 AT 12:26 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do you hear the fuel pump come on?-If so the fuel pressure needs to be check to see if its within specs-EFI system don't like low fuel pressure.
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Thursday, December 17th, 2009 AT 7:55 PM

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