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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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Do you know where the upper crank positioning sensor is located, I found the lower one but i can't seem to find the other, Is there one? I have two codes that are coming up on my car, P0300 ( Rapid cylinder Misfire) and P0421 I am debating on what to do, no one seems to know, i don't want to change a sensor and then it not be the right one, then there goes 120 bucks. My car cuts out on me when driving down the road, engine light flashes for a minute then goes solid, then i get power again. Any suggestions? Thanks green86
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| I have a 2001 Mazda Protege ES 2.0.......and I replaced the engine about 1 year ago. The newer engine had about 36000 miles on it. Ever since we replaced the engine on it.......it has had a idle problem and is now starting to have an acceleration problem. When I come to a stop, the idle speed will go down to about 500 and then usually go back up. When this happens, it will have a little hesitation when accelerating. No problems at high speeds. My CEL came on the other day and my friend read the code and it said "lean exhaust" so he cleared it for me and the next morning it came back on. When we installed the engine, we replaced the plugs and did a small tune up on it. It also seems to be having some transmission problems like troble shifting. I need some help trying to figure out the problem. | |
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Replying to: green86 (Mar 29, 2008 7:16 pm) My car cuts out on me when driving down the road, engine light flashes for a minute then goes solid, then i get power again. My car did the exact same thing as you're describing - replacing the plugs, wires and most importantly... the coils solved my issues. A little too late to save me from having to replace my CAT though.... I hope this helps you with your problem... good luck. Debbi |
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Replying to: debbi1229 (Jan 03, 2008 9:22 am)
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Replying to: bdkay (Apr 01, 2008 6:10 pm) We're glad you had an extended warranty! Have you modified the engine (e.g. by adding components)? p.s. EGR valve |
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my 01 protege lx 2.0 has 98000. Over the last 2-3 years it would occasionally lose some power, then catch up. Now its getting worse. 2 mechanics and the mazda dealership cant figure it out, it comes up rapid random misfire. I can be on the highway and drive steady, then it loses its power,for a 3-5 mile stretch, I'm losing speed with it floored, then it catches up. My recent mechanic charged my 650$ for the O2 sensors, and it didnt fix it. Now he says it can be the EGR valve or coil packs. I cant afford to have him do more work....should I press him to fix it for already paid funds? thanks
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Replying to: kpozzi (Apr 03, 2008 4:51 am) PCV valve should NOT be at fault; in the old days it might have been. An older mechanic disagreed with a younger one on whether that could be the problem. I think it's like doctors depends what they have seen. We are still in wait and see mode. My research has come up with a simple cylinder compression test as the culprit. Has this been done? Try searching on PCV valve random misfire and you will find an article on the subject. Let me know.
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Replying to: bdkay (Apr 03, 2008 5:27 am)
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I have a strange problem with my 1990 Mazda Protege (323 - 1.8L DOHC) - the car starts up fine on a dry and sunny day but it will not start on a rainy day or if it has rained hard the previous day and there is some moisture in the air and on the windshield. It cranks but it will not start on these kind of days but on a sunny day it will start right up like nothing is wrong with it. I had the battery amps checked and eventhough the battery is 4 years old, it is cranking out the right amps and so that can be ruled out as the problem. One of my coworker is telling me that this is due to some moisture issues and I need to replace the rotor and rotor cap....does any one else have this issue? What could be the problem here? Please help!
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When sitting at a light the engine will run slightly rough for a few seconds then get worse where I think it will stall then kick back up to a slightly rough idle. It hasn't stalled yet. When driving, the engine seems to run fine (in town and at highway speeds). The check engine light will also come on about once a week with a P0170 code. According to the book my OBCD reader came with it is a 'Fuel Trim Malfunction'. I'd appreciate some suggestions on what I should look at. Background info: EGR valve replaced three years ago (at a shop) I put in a new alternator and belt 1 month ago (did I damage something while removing the old alternator??) |
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