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Rough idle from start up

Tiny
SCOTT CRESAP
  • MEMBER
  • 1999 JEEP GRAND CHEROKEE
  • 4.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 156,000 MILES
Engine was running fine. Then an alert tone in cab sounded. Volt gauge stopped registering, engine began to idle rough. When driving engine has no power and the exhaust fumes have a terrible smell. What is really strange is when I depress the accelerator the digital odometer flashes. Will not exceed 1300 rpms at idle.
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Sunday, July 23rd, 2017 AT 8:25 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check battery for condition including load test most places do for free, then scan for codes and check fuel pressure with a gauge auto parts rent it. See link on how to check fuel pump.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
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Sunday, July 23rd, 2017 AT 8:28 AM

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