420A Random shut down..

[Inkdlyfe]

Recently the eclipse been acting alot it would run just fine then randomly shut off and not start back up I let it sit and bam it fired up just fine. After running for a few it turns back off like u turbt they key back. Does this completely randomly. No warning nothing just shuts off. I figured internal damage but the test came back 90 psi highest 93 psi every cylinder. Thats what it always came back as . One time out of 4 tests number 3 came back at 150 but thats all. I did 10 rotations per cylinder 4x each. All tests was done on a cold engine with tb shut. I let the car sit for a day and I just said ok leta start it up and bam. Started up just fine no issues afr is reading 13.0 but its running and reves just fine. People told me my motor is done for. Whats the input

 

[ThunderChild]

Have you checked the coil pack? Sounds like an ignition related problem.
Usually I'd say this a dead giveaway for a crank sensor going bad, but if your replacement is recent, of decent quality and not already oil fowled (and the wiring isn't oil fowled/shorting) then I'd start looking at the other components related to the ignition system.

 

[motomattx]

First of all, is it losing spark or fuel? you need to find out whats missing next time it shuts down and wont start.

 

[Inkdlyfe]

I think its honestly a spark issue... imma order a new crank and coil pack. Wires and plugs are new. So imma go with that route..

 

[Inkdlyfe]

Just ordered both them new...

 

[97egl]

Check the ground on the driver side fender area of the engine bay. I've seen 3 or 4 420a cars that work fine and then randomly die due to this ground being bad and it acts as if the key has been turned off.

Instead of throwing parts at it you really should try and diagnose the issue. Cleaning up a ground is free but throwing parts at it is expensive and if your tossing autoparts store brand parts in it your gonna have a lot of issues down the road.

Does it crank over when you have this issue?