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Sedans Mazda Protege Mazda Protege Maintenance and Repair
3600 messages, Last post on Nov 28, 2009 at 3:21 PM
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OK, so I have an 03 mazda protege. My issue started about 1-2 months ago, I was on the interstate and had been going along approx 70 - 75 mph just fine, then suddenly the rpm's shoot up.. so i immediately let off the accelerator to get the rpms back down.. when this is happening mph is also dropping, and i couldn't keep it up, definitely wasn't able to go 70 - 75, if i tried the rpm would shoot back up, but no increase in speed. So I parked, we ended up having it towed back, got back, oddly enough started working OK. Couple of weeks later, started to notice rough idling, hard start, couple of tries, and it idled around 1500 - 2000 rpm or so.. check engine light came on, took to autozone, cylinder misfire, but then went away, works fine.. Was working good was on the interstate last week, going about 70, same situation happened as above, rpm shot up, couldn't hold high speeds. We ended up driving it back going like 55 mph, I've been driving around some around town going 45 - 55, but what happens is it takes off really slow, the rpm and the mph, I had a dump truck pass me at a dead stop as I tried to get it up to 55.. if I try to push to much the rpm will jump up, or if I hit a steep hill and try to hold the current speed. Someone told me it sounds like the transmission, slipping maybe, I'm not so sure.. would it do it then get better, and maybe the cylinder misfire isn't related to the current issue, I dont know.. any advice would be great.. If there is already a similar post, let me know, I looked but couldn't really find one..
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Replying to: ddekleuver (Mar 15, 2009 12:35 pm) I'd have a diagnostic done. |
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Guys, My car was running fine until this past Sunday. Than i got o/d off light on and it goes on and off. At first the car will go in "limp mode" once in a while. But some time it will work just fine. So when it's in a limp mode it will not go over 35 MPH and stays in 1st and 2nd gear, it would not go to 3rd or 4th. The problem got worst in next 2 days and than we took it to the dealership. They are telling me that i need to replace TPS, transmission and air valve. for some reason i don't believe them. Anyone has any thoughts?
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Replying to: funguy123 (Mar 18, 2009 6:54 am)
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Replying to: magicmonkeymea (Mar 18, 2009 7:54 am) I can also try TPS, coil packs & ERG valve. how much are the coil packs? Can i get those at the local part stores? |
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Replying to: funguy123 (Mar 18, 2009 6:54 am) Just to be clear, your dealer says you need to replace the transmission? 
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Replying to: autonomous (Mar 18, 2009 11:56 am) Just to be clear, your dealer says you need to replace the transmission? Yes, Mazda Delear told me that I need to replace the transmission. But I am thinking of getting 2nd opnion and see what happens. I will let you know. Thank you for your help.
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Replying to: funguy123 (Mar 18, 2009 12:25 pm) I took the Protege to couple of other places and after talking with them it sounds like the TPS is the first thing to try. The transmission may still be good because today the o/d off lite was gone for a while while (~5 Mines) i was driving and the car was running smooth  But i will have them replace TPS and let you all know if that fixes the issue. If it dose than "Shame on Mazda Dealer" I will keep everyone posted.
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Replying to: funguy123 (Mar 19, 2009 5:28 pm) Here is the history. I got check engine and o/d off light. When I get the o/d off than the car would not shift to 3rd gear but when that light goes off than car does go into 3rd & 4th gear. I took the car to mazda dealer. After doing detailed troubleshooting they told me that I will have to replace three things (1) TPS (Throttle Position Sensor) (2) Transmission (2) Air Valve. The cose would be $4500 (if i get new Trnas) $3000 (if i get old Trnas). Well the value of my car is <$4500 so i wasn't going to pay $4500. I took the car to other places (non-Mazda dealer) for 2nd opinion. they told me it could be TPS and may be something else. First I had them replace TPS, that didn't fix the issue But after checking circuits they found the issue with the circuit. and the problem was fixed. The whole thing cost me ~$600. I will never buy another Mazda again in my life and I would not recommend it to anyone.
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Replying to: funguy123 (Mar 23, 2009 5:42 pm)
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