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1996 Hyundai Elantra It Crancks, but wont start.

Tiny
MISTRI
  • MEMBER
  • 1996 HYUNDAI ELANTRA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 88,000 MILES
Before my car die, it was runing with poor, lack power. Thank it die completely, won't start, engine
cranks, Check the fuel pump fine, there is fuel
pressure, There's spark at the plug, timing belt's fine.
air filter replace and fuel filter replaced, check
compression on one cylinder fine. Please help
what should I try next?
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Monday, April 26th, 2010 AT 8:47 AM

10 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi mistri, Welcome to 2carpros and TY for the donation

Lets start by checking the actual fuel pressure and get back with the readings and also check if the injectors are pulsing
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Monday, April 26th, 2010 AT 3:02 PM
Tiny
MISTRI
  • MEMBER
  • 6 POSTS
Hello,
I check the injector pulse, it's fine.
Fuel pressure 60lb.
Thanks.
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Tuesday, April 27th, 2010 AT 12:28 PM
Tiny
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  • MECHANIC
  • 75,992 POSTS
Your fuel pressure is way too high check the fuel pressure regulator and fuel return line -See below


https://www.2carpros.com/forum/automotive_pictures/12900_fp_39.jpg

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Tuesday, April 27th, 2010 AT 12:35 PM
Tiny
MISTRI
  • MEMBER
  • 6 POSTS
Ignor this.
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Tuesday, April 27th, 2010 AT 12:58 PM
Tiny
MISTRI
  • MEMBER
  • 6 POSTS
Hello,
One important thing to mention, I took my fuel
presure at the top of the fuel filter, I don't have T setup.
I check the fuel return line at the fuel pump,
When I crank it returns the fuel.

Ashk
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Tuesday, April 27th, 2010 AT 2:10 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
What is it doing now? Your fuel pressure is too high
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Wednesday, April 28th, 2010 AT 1:43 PM
Tiny
MISTRI
  • MEMBER
  • 6 POSTS
Hello,
I replaced the spark plugs, Check the sparks at the
tips, all fine, check the engine compression each
cylinder is fine, Check the injector pulse is fine.
Replace the fuel in the tank, fuel pump is fine,
check the fuel pressure at the fuel filter is fine.
Timing belt is fine and aligned to the mark.
If I spray starting fluid at the air intake it starts for while and stops.
What you want me to try next?
Thanks
Ashk
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Monday, May 3rd, 2010 AT 6:03 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Spraying in it and runs till it burns off-check the injectors power and if its pulsing.
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Wednesday, May 5th, 2010 AT 4:08 PM
Tiny
MISTRI
  • MEMBER
  • 6 POSTS
Hello,
As I already mention, injector pulse and power
is fine. New fuel filter and fuel pump.
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Wednesday, May 5th, 2010 AT 6:41 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
New fuel pump but its producing too much pressure it will flood the engine out also check the fuel pressure regulator. What is the fuel pressure reading at this time? If fuel pressure is within specs now-check the valve and ignition timing even if you're getting spark and fuel if the timing is off she won't start.
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Wednesday, May 5th, 2010 AT 11:15 PM

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