Question about 2002 Mazda Protege

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Common problems mazda protege 2003 check engine

Common problems mazda protege 2003 check engine light

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Posted on Jan 02, 2017

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SOURCE: Blown main fuse on 2003 mazda protege 5.

There are two bolts on the side of the fuse itself. Under the fuse box on each side. Unbolt those and it will come out.

Posted on Dec 23, 2008

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SOURCE: 2002 Mazda Protege acceleration problem

I had the same problem and found that the air admission tube was badly cracked.

Since this let air enter the engine downstream of the mass airflow sensor it is not measured so the engine ECU don't send the proper amount of fuel to provide the right air/fuel mixture. At higher RPM, the vacuum in the tube is enough to close the crack and hide the problem.

I temporarly repaired it with duct tape until I get the part.

Stephane

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Posted on May 27, 2009

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SOURCE: 2001 mazda protege keeps stalling

my 2001 mazda protege starts hard, idles low and high at various times (never normal) and it acts as though its going to stall at all times. sparks and wires are changed no help, changed air filter no help. any idea on what to do?

Posted on Nov 26, 2009

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SOURCE: check engine, engine light on for mazda protege

most vehicles check light comes on when you have a bad oxygen censor or maybe because it is fuel injected, it has a dirty or faulty injector or something of that sort if you take it to an automotive place they will test it on a handheld computer for you and most of the time its free i know it is at an autozone! goodluck!

Posted on Dec 18, 2009

Testimonial: "Thank you very much this was very helpful."

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SOURCE: For 2003 Mazda Protege ES model 2.0L 4cyl engine;

Check the air inlet boot going from the air filter to the intake for rips or holes. If rips exist, this would allow air to bypass the filter and mass air flow sensor and will lead to a check engine light appearing. The code would read "too lean, bank 1." If this problem is allowed to continue for long periods of time, the EGR ports will have to be cleaned out and maybe even the intake.

Posted on Apr 03, 2010

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2003 mazda protege p0455 code


Look at the gas tank filler cap. Make sure the seal in the cap is good. If it is cracked it may be leaking air into the system. Simply replacing the cap usually fixes this problem

Apr 04, 2013 | 2003 Mazda Protege

3 Answers

I have a 2003 Mazda protege 5. check engine light no codes


Remove the wire from the negative terminal on the battery and wait a few minutes, then reconnect the wire. This will "reset" the computer and remove the check engine light. If the light comes back on, take it to a Mazda service center and let them read the code. They will be able to tell you what is wrong. Pepboys, Autozone....arent always the smartest cookies and are wrong more than they are right.

Mar 24, 2010 | 2003 Mazda Protege

1 Answer

For 2003 Mazda Protege ES model 2.0L 4cyl engine; engine running rough and ''shaking at idle'' when stopped on road for traffic light for example. Also becomming hard to start. Someone mentioned a ''cold...


Check the air inlet boot going from the air filter to the intake for rips or holes. If rips exist, this would allow air to bypass the filter and mass air flow sensor and will lead to a check engine light appearing. The code would read "too lean, bank 1." If this problem is allowed to continue for long periods of time, the EGR ports will have to be cleaned out and maybe even the intake.

Mar 05, 2010 | 2003 Mazda Protege

2 Answers

I have a mazda protege 2003 and my car stinks like rotten eggs when i put on the gas and on top of that, my engine light is blinking and my car shakes when i stop at a red light!


i have a 2003 mazda protege. this is the third time my check engine light has come on. the first time the car started to shake when i stopped at a light and the check engine light came on. i had a readout done and it said misfire. i took it to a garage and they changed my spark plugs and wires. 2 weeks later it came on again and my car started to shake whenever i stopped. readout said misfire. they fixed the coils. it has been 2 weeks since then and my car started shaking again whenever i stop and the light came on. what could possibly be wrong with it?

Feb 06, 2010 | 2003 Mazda Protege

1 Answer

Rough shifting


It sounds like the MAP (manifold absolute pressure) switch might be bad. Since the check engine light is on, have the computer codes read.

Jul 21, 2009 | 2003 Mazda Protege

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2003 Mazda Protege car is shaking When Drive and Engine light stay On


I bet it also feels like it wants to stall as well. I think my car was at around 65k and it did the same. It is the spark plugs and the coil. My mistake was going to the dealership where they charge you too much. Any experienced mechanic can do it. Changing the coil is also in the manual.

Jul 21, 2008 | 2003 Mazda Protege

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