First code was for cylinder 3 bad plug or coil. Replaced both car ran good 20 miles. Next code bank 1 2 lean. Replaced duel filter old me stoped up. Cranked right up ran 10 miles. Cranks when wants, when it does runs good till warms up then rough idle, eventually will die. Have to wait 30 min will crank back up. Any ideas.
What causes no crank. on 2001 Mercury Grand Marquis
by dustint1 in Forest Park, GA on March 27, 2014
ANSWER by asksteevies on March 28, 2014
Bad cat or o2 sensor , if u utube that code they will show u how to Check out wave pattern of o2 sensor but need a scanner or take Gamble and replace that bottom sensor under cat, Further testing needed...
ANSWER by globalhelper on March 28, 2014
seek help you are missing something
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