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error code 43


 
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97sahara
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Joined: 16 May 2006
Location: SLO

PostPosted: Tue May 16, 2006 4:12 pm    Post subject: error code 43 Reply with quote

I have a 97 4.0 sahara with the ever-present cracked exhaust manifold. I have not had it replaced yet because it does not appear to affect performance during normal driving. However, recently I have had difficulty with uphill highway driving. There is a loud sputtering noise from the engine, the steering wheel shakes and I lose lots of power (speed drops 10-15 mph). It only seems to happen going uphill in 4th or 5th gear (manual trans) and typically corrects itself when the road flattens out. The check engine light came on when this happened, even flashing a couple times. I ran the key test and came up with codes 12 and 43. Is this just something that will go away with a new manifold or is it something bigger that should be addressed ASAP?
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97sahara
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Joined: 16 May 2006
Location: SLO

PostPosted: Sun May 21, 2006 1:10 pm    Post subject: fixed Reply with quote

took it to the shop for a full diagnostics run. misfire in cylinder 1 due to bad plug wire. replaced all the wires and seems to run fine. now I just need to replace that exhaust manifold. any recommendations? heard Banks Power was good...
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KnightFire
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Joined: 07 Jan 2004
Location: Hanover, MD

PostPosted: Fri May 26, 2006 10:45 am    Post subject: Reply with quote

I've heard nothing but good things about the Banks setup. I personally have a Borla, it's pretty decent too...IMHO I think you'll see roughly the same gains from either system.
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