Question about Mazda Protege
Hello I have a 2004 Mazda Protege with an Automatic transmission. A couple of days ago the O/D light started flashing and it wouldn't shift into 4th gear. I had the codes pulled and from what I can tell I only got one code PO733. I am pretty hand with repairs but I don't know where to start to eliminate sensors and things. I would assume first thing I need to do is a new Trans filter but lost after that. Any help or suggestions would be greatly appreciated. Thanks
Transmission speed sensor loss of signal will not allow torque converter lock up (no overdrive). Transmission filter should be serviced at 80,000 miles. Perform an OBDII scan for stored fault history. The scan should show any issues with trans. sensors or solenoids that can be addressed during trans. service. Let the ODBII scan be your guide to any repairs to avoid buying parts you don't need.
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Posted on Jan 02, 2017
I would try a flush. If its set up like my 96, and it likely is, changing the trasmission gasket and filter will be difficult. Mine has a medal plug on the bottom and takes an allen wrench, and possibly a breaker bar. If you take out this plug, drain, flush then refill via the dipstick tube and a funnel, it may help. You may need to do this a couple of times due to fluid still in the torque converter, pan, etc.
Lucas is good stuff, I would add it again when I was done. The tranny fluid should be pink, mine looked like used oil black before I flushed it.
Also, when adding the new fluid, shift slowly up and down through all of the gears to lube well and check your fluid levels after 100 miles or so, as sometimes a bubble will form and make it look full....then not after it pops.
Posted on Dec 23, 2008
Check transmission fluid. If that is full, try changing the fuel filter. It could be starving for gas, and trying to shift but can't. It could also be the speed sensor, or shift solenoid.
Posted on Jul 06, 2009
It is possible that your transmission fluid needs to be changed. Get that done, and it that does not solve your problem you may have transmission problems all together.
Hope this helps
Posted on Jul 30, 2009
You are going to need a transmission shop. Mazdas do not always throw codes. You have an early OBD transmission, which do not send out many codes.
Posted on Aug 03, 2009
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