1986 Mercury Marquis Passanger side iexhaust hot between ca

Tiny
CARTROUBLESINMICHIGAN
  • MEMBER
  • 1986 MERCURY MARQUIS
  • V8
  • 2WD
  • AUTOMATIC
  • 94,000 MILES
93 ford mustang 5.0L in 86 grand marquis with 19#injectors that are new. After the car warms up the exhasut is red hot on the passanger side can't figure out why when everthing checks out fine please help
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Sunday, January 20th, 2008 AT 1:10 PM

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Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Check the firing order
check exhaust system
do a cat flow check
check what is you have for vacuum readings
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Sunday, January 20th, 2008 AT 1:39 PM
Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,749 POSTS
Running lean. Or misfiring.
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Sunday, January 20th, 2008 AT 1:40 PM

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