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 Tune Up or Catalytic Converter?
#1026138
04/06/11 09:31 PM
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Joined: Jul 2010
Posts: 120
OP
Wheeler
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I know this has been covered several times, but...I turned a corner yesterday after driving about 25 miles and got on the throttle pretty hard. The truck started bucking and the engine light came on. It has a p0303 code. It stutters real bad if you hit the gas below 2000 rpms, then it runs fine above 2000rpms. When it is cold it hardly does it, but the more I drive the worse it gets. I was wondering whether anybody thinks it is the usual bad plug,wires,coil,oil leak at valve cover or a clogged cat. Where should I start? Tuneup or converter?
99 Sportage 2Dr, 1.5" body lift, 30x9.50 Cooper M/T's, high lift, CB, custom bumpers, Warn manual hubs, Tom Tom GPS, snorkel.
99 Jeep Cherokee 3" lift, 31" mud terrains
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Re: Tune Up or Catalytic Converter?
[Re: timd75]
#1026139
04/06/11 11:40 PM
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Joined: Feb 2009
Posts: 229
Wheeler
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SOUNDS LIKE CONVERTER TO ME...ALSO CLEAN MAF WHILE AT IT
Lonnie
Auto Parts Professional
95 sportage sold but not forgotten
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Re: Tune Up or Catalytic Converter?
[Re: londart]
#1026140
04/07/11 12:45 AM
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Joined: Jul 2010
Posts: 120
OP
Wheeler
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I cleaned the MAF today. It made no difference.
99 Sportage 2Dr, 1.5" body lift, 30x9.50 Cooper M/T's, high lift, CB, custom bumpers, Warn manual hubs, Tom Tom GPS, snorkel.
99 Jeep Cherokee 3" lift, 31" mud terrains
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Re: Tune Up or Catalytic Converter?
[Re: timd75]
#1026141
04/08/11 02:59 AM
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Joined: Jul 2010
Posts: 120
OP
Wheeler
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Finally got to do the tune up today. The wire for 3rd cylinder was corroded in the coil. New plugs, new wires, new reason to go get muddy.
99 Sportage 2Dr, 1.5" body lift, 30x9.50 Cooper M/T's, high lift, CB, custom bumpers, Warn manual hubs, Tom Tom GPS, snorkel.
99 Jeep Cherokee 3" lift, 31" mud terrains
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