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Will not start

Tiny
BAUGUSBRENT
  • MEMBER
  • 1992 MITSUBISHI MIGHTY MAX
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 78,000 MILES
I have to turn the key off and on many many times before it will crank. I have new fuel pump, fuel filter, fuel pressure regulator. Still have to turn key off and on.
Friday, March 2nd, 2018 AT 8:45 AM

6 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
When you say crank do you mean turning over on the key, or it is cranking on the key and will not run?
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Monday, March 5th, 2018 AT 1:27 AM
Tiny
BAUGUSBRENT
  • MEMBER
  • 3 POSTS
It will start after I turn the key off and on several times or let it sit for a while to let the fuel pressure build up while key is in on position.
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Monday, March 5th, 2018 AT 9:50 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
May be a failed pressure regulator, put a pressure gauge on the fuel line, see what the rail pressure is and how long it takes to bleed off, if pump pressure is very low, replace the pump and filter.
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+1
Tuesday, March 6th, 2018 AT 12:31 AM
Tiny
BAUGUSBRENT
  • MEMBER
  • 3 POSTS
I guess I need to get a pressure gauge. I have replaced pressure reg., Pump and filter. Still losing pressure. Where is a good starting point to look for pressure loss?
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Tuesday, March 6th, 2018 AT 9:28 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Does it run if you put starting fluid in it?
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Thursday, March 8th, 2018 AT 12:28 PM

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