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Mazda Protege Maintenance and Repair

3600 messages,  Last post on Nov 28, 2009 at 3:21 PM

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What is this discussion about? Mazda Protege, Sedan

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#3568 of 3600 rich burning spark plugs by baytownmomma Oct 17, 2009 (5:53 am)
I have replaced my o2 sensors, sparks plugs, wires, rotor, fuel pressure regulator, had throttle body cleaned, and my car is still burning rich. Took it to repair shop and the code comes up PO1170 changed sesors but the problem still exist. Checked the hoses for leaks and there are none. What could it be? Replies to this message: autonomous (Oct 19, 2009 8:58 am)
#3569 of 3600 Re: rich burning spark plugs [baytownmomma] by autonomous Oct 19, 2009 (8:58 am)
Replying to: baytownmomma (Oct 17, 2009 5:53 am) According to an OBDII website, the code P1170 in the case of Mazda vehicles indicates "HO2S Bank 1 Sensor 1 Circuit Fixed (Bank 1 Sensor 1)". I'm not sure this explanation helps to make things clearer.
#3570 of 3600 burning rich by baytownmomma Oct 19, 2009 (12:17 pm)
No this does not help because with that code we have changed both sensors and my car is still making my spark plugs black with soot and we have changed filters, plugs, fuel pressure regulator, fuel filter, wires and the car is still burning rich. I dont know enough about the fuel injectors. I wondered if they were bad would that make my plugs soot up or even the EGR? Replies to this message: autonomous (Oct 19, 2009 1:42 pm)
#3571 of 3600 Re: burning rich [baytownmomma] by autonomous Oct 19, 2009 (1:42 pm)
Replying to: baytownmomma (Oct 19, 2009 12:17 pm) I dont know enough about the fuel injectors. I wondered if they were bad would that make my plugs soot up or even the EGR? Sounds like your car needs a diagnostic rather than parts replacement.
#3572 of 3600 burning rich by baytownmomma Oct 20, 2009 (4:13 am)
I had a diagnostic thru two shops and that code PO1170 is what was given and the car is still burning rich. Running out of optins. Replies to this message: autonomous (Oct 20, 2009 2:24 pm)
#3573 of 3600 Re: burning rich [baytownmomma] by autonomous Oct 20, 2009 (2:24 pm)
Replying to: baytownmomma (Oct 20, 2009 4:13 am) Seems obvious, but I'll ask anyway to eliminate it from the equation: what kind of gas are you using? Is it regular 87 or something else?
#3574 of 3600 spark plugs are burning black by baytownmomma Oct 22, 2009 (4:54 am)
I do use 87 gas. But could the catalytic converter throw black smoke on plugs if it is bad?
#3575 of 3600 disgusted by baytownmomma Oct 22, 2009 (12:09 pm)
I have taken my Protege to a mazda dealer and they said that my O2 sensors need to be changed and I have had it done. Is there anyone that has black soot on there plugs know what to do about the problem. I have changed from 87 octane to 92 octane. I have even changed my fuel injectors and when I drive the car starts to putt and blow black soot out of tail pipe desperate. At a limbo. Replies to this message: autonomous (Oct 22, 2009 2:14 pm)
#3576 of 3600 Re: disgusted [baytownmomma] by autonomous Oct 22, 2009 (2:14 pm)
Replying to: baytownmomma (Oct 22, 2009 12:09 pm) black soot on there plugs ... when I drive the car starts to putt and blow black soot out of tail pipe Yech, this is starting to sound like the head and maybe even the transmission may be involved. You have mentioned visiting a dealer to discuss the problem. Did they mention anything other than the O2 sensor as the possible cause?
#3577 of 3600 Re: mazda protege 2003 died wont start [hooker321] by cav4 Oct 22, 2009 (3:40 pm)
Replying to: hooker321 (Oct 02, 2009 2:24 pm) Actually it doesnt make any sound at all doesnt crank, fire. Thanks. I'll try knocking on the starter next. Will check oil again think it was at the most low. Seems like i heard a small noise when it quit originally. Thanks for the response appreciate it. Will report next results. Thanks.

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