So on saturday i replaced the rear main on a '96 talon auto nt. well the project went fairly smooth until the end! after we had gotten everything put back together i took it for a test drive and noticed the CEL came on. so i got out the handy obd ii reader and i got 2 codes:
Gear 1 Ratio Incorrect
Speed Sensor A Malfunction

my questions are:
How could the gear ratio be off? i didn't touch anything in the tranny. when i took it down it stayed on a jack untill we put it back on the engine?! and second as far as the Speed sensor.. where exactly is it? should be by the driveshafts right? b/c i can't find it or im looking over it but made sure that EVERYTHING was hooked back up like 3-4 times.. so now my car isn't shifting and the spedo isn't working.. yes i checked the tranny fluid in case you were gonna say that! any input would be great b/c im at a loss here and i need the car to be up and running by mid week!! thanks for the help!

easy fix . your tcu is in limp mode . change both speed sensors and reset the ecu . both speed sensors are by the tranny cooler lines coming out of the tranny on the front side of it

easy fix . your tcu is in limp mode . change both speed sensors and reset the ecu . both speed sensors are by the tranny cooler lines coming out of the tranny on the front side of it

99 eclipse rst
cobalt blue met. paint,star stage 2 upgraded t3/t460trim turbo ceramic coated , polished compressor housing, final drive mod,optima yellow top,hayden 6pass trans cooler , chrome i/c piping ,front mount ntercooler ,apexi turbo timer . faze oil gauge,bosch 4x plugs,kyb agx struts, pro kit springs.17''msr rims,toyo proxies,brembo dilled/slotted rotors ,turbo xs bov ,oil catch can,manual shiftknob,overdrive relocation autometer pyrometer egt , vortech sfmu,b&m fuel pressure gauge ,accel 310cc injectors ,gasketmatched and polished intake manifold ,58mm throttle body ,no egr,polished turbonetics wastegate,fuel pump rewire,homade fcd and a lot more .

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100% correct. btw off topic but im really diggin the cobalt metallic blue bro nice job!


mods include but not limited to:
engine: AEM cai , pp head / TB / intake runners, Chikira 4-2-1 header , custom 2.5" exhast / pacesetter high flow cat/flowmaster2 muff,1mm over sized SS valves,PT valvetrain, AEM cam gears/pully set, prothane motormounts,440 injectors , ground kit.
Trans: Custom ATX (1 of a kind) poly-graphite steels , kevlar clutches , final drive , shift kit,3500 stall TC, Tourqe Wonder trans chip ($120.00 2gnt price only!!email for order info)