Supra no start issue

[landoman]

I’ve had this issue since December , Supra starts , idles , drives forward then shuts off , had car towed to local Toyota dealer and Toyota diaged it as a fuel pump issue , replaced fuel pump and car drove fine for a month , issues repeated , car starts , idles, drives forward briefly then shuts off , starting engine back over starter repeats and repeats with no start , spraying starter fluid and hold a rev simontainosly starts the vehicle and allows it to keep running , gonna replace the battery today and reprogram it to see if it has any issues after , battery level reads at 70% per bimmer link , here posted is a list of faults before clearing and after clearing with the car shutting off , if anybody has any idea of what it is please let me know

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[Thraxbert]

Check the ground for the EKP module in the trunk. It is the little black box with two brown wires going to a metal tab and secured to a post. I had the exact same symptoms as you and discovered that my EKP (fuel pump control module!) was making intermittent ground, as the nut had spontaneously backed off the post. The box is under the deck lid in front of the battery towards the nose of the car.

I almost replaced my fuel pump until I discovered this by pure chance as I was getting ready to do the job.

Symptoms:
Endless crank, no start
Sometimes start, run for a few seconds, dies
Sometimes start, drive 100 feet, dies
Fuel pressure too low codes
Transmission locked out in park
More luck sustaining ignition if I held RPMs high
Once or twice, car acted like nothing was wrong and I drove 30mi

 

[landoman]

Check the ground for the EKP module in the trunk. It is the little black box with two brown wires going to a metal tab and secured to a post. I had the exact same symptoms as you and discovered that my EKP (fuel pump control module!) was making intermittent ground, as the nut had spontaneously backed off the post. The box is under the deck lid in front of the battery towards the nose of the car.

I almost replaced my fuel pump until I discovered this by pure chance as I was getting ready to do the job.

Symptoms:
Endless crank, no start
Sometimes start, run for a few seconds, dies
Sometimes start, drive 100 feet, dies
Fuel pressure too low codes
Transmission locked out in park
More luck sustaining ignition if I held RPMs high
Once or twice, car acted like nothing was wrong and I drove 30mi

I have my air ride grounded to this….. I don’t even know why I didn’t start there

 

[Thule6G (SCAMMER)]

This must be really frustrating buddy, sorry.

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