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No fuel on start up

Tiny
JASON2240
  • MEMBER
  • 2000 ISUZU RODEO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
I have a 2000 isuzu redeo an the key has to prime fuel before startin I checked relay does the samething as before an also how do you check transmission fliud
Monday, July 4th, 2011 AT 2:45 PM

13 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Use a gage and check fuel pressure. How long since a tune-up. Any applicable codes? Give me a minute on the tranny fluid.
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Monday, July 4th, 2011 AT 4:01 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
With 4l30-E tranny, there is an overfill screw on bottom of tranny pan. Operate engine for about 3 minutes, loosen overfill screw, if fluid starts coming out, the level should be ok. You add fluid at the same place.
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Monday, July 4th, 2011 AT 4:19 PM
Tiny
JASON2240
  • MEMBER
  • 6 POSTS
I'll check pressure idk on tune-up just got rodeo thanks check tranns fluid today
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Monday, July 4th, 2011 AT 4:41 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Let us know what you find.
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Monday, July 4th, 2011 AT 4:59 PM
Tiny
JASON2240
  • MEMBER
  • 6 POSTS
Ok I have 10 psi an drops to 5 psi fast just by turn of the key an only 32 psi when runnin
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Thursday, July 7th, 2011 AT 1:10 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Info shows 42--55 psi fuel pressure. Could be a fuel pump issue? I did ask about tune-up and applicable trouble codes?

Also, check for good voltage and ground at the fuel pump connector.
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Thursday, July 7th, 2011 AT 1:30 AM
Tiny
JASON2240
  • MEMBER
  • 6 POSTS
Idk on tune up goin to check plugs tomorrow light has not come on no codes
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Thursday, July 7th, 2011 AT 1:42 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Looks like the fuel pump to me.
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Thursday, July 7th, 2011 AT 1:51 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
You can check the fuel pressure regulator and the fuel filter. Don't take any fuel lines loose unless your sure there is no pressure on the system. Once you get hit between the eyes with 50 psi, you don't forget. Btdt
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Thursday, July 7th, 2011 AT 2:04 AM
Tiny
JASON2240
  • MEMBER
  • 6 POSTS
Ok JDL thanks i'll check it an get back to you
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Thursday, July 7th, 2011 AT 2:28 AM
Tiny
JDL
  • MECHANIC
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OK
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Thursday, July 7th, 2011 AT 2:35 AM
Tiny
JASON2240
  • MEMBER
  • 6 POSTS
Checked plugs gapped them will replace soon blow out fuel filter also will be replacein soon I brought pressure up to 20 psi when you turn the key found pump for it but do I have to get the pump that has the sendin unit with it or just pump oh yea an psi is still at 32 when runnin
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Friday, July 8th, 2011 AT 2:26 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
That fuel pressure spec I listed was key on, engine off.
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Friday, July 8th, 2011 AT 3:46 PM

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