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#8: 09-21-2011, 05:31 PM
 
 blue2oct7
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We finally retrieved codes: 13 (crank angle sensor), 22 (knock sensor), 23 (air flow sensor), 24 (air control valve), and 31 (throttle sensor). Crank & air flow sensors were switched with our friends' sensors. So I don't know if these codes are coming up because they were switched, or because they truly are bad. Each time sensors were switched out, no difference was made with the car. We have new plugs, wires, and coil is fine. Timing belt looks good. The keyway on the crankshaft that hooks the harmonic balancer has a chip on it. Could that be the problem?