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2004 Jeep Grand Cherokee Jeep Grand Cherokee

Tiny
GREG BECK
  • MEMBER
  • 2004 JEEP GRAND CHEROKEE
  • 4.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 179 MILES
My 2004 jeep grand Cherokee run great when I get in it in the morning then I drive 4 a while & when I push the pedal 2 the floor it has now power it bogs down then I let up & it kicks in and runs rough & still has no power. Can smell gas & white smoke comes out of the tail pipe thinking to much fuel? I drove 20 miles yesterday & then it really went bad & only could get it 2 go about 8 miles per hour :( it sat for 6 hours got in started it up was fine & it drove like new but didn't want to go 2 far in case in ran into the same problem? Please help?
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Tuesday, November 3rd, 2015 AT 10:04 AM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Scan for codes and check fuel pressure with a gauge
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Wednesday, November 4th, 2015 AT 6:42 AM
Tiny
GREG BECK
  • MEMBER
  • 3 POSTS
Well I diconnected my exguast from the manifold & it runs great no problems at all. I then re-hook the exhust back up & cant go even a block no power or anything :( thinking my catalytic converters are plugged up? What would u think?
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Wednesday, November 4th, 2015 AT 7:50 AM
Tiny
GREG BECK
  • MEMBER
  • 3 POSTS
Shows no codes !
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Wednesday, November 4th, 2015 AT 7:50 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Disconnect it after the converter because normally a bad converter will throw a code. If it still does it check vacuum at intake if 15" or below then it may be the converter. They are covered for 80,000 miles by warranty
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Wednesday, November 4th, 2015 AT 9:31 AM

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