MAZDA 626 P CODES (POWERTRAIN) P0400 - P0499

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P0400 P0420 P0421

Code P0400

This Car Has Had New Egr Valve, Timing Belt, And Lots More. The Obdii Keeps Telling Us P0400 And Now After Refurbished Ecu, P0400 (egr...

Asked by gocanes ·

1 ANSWER

1 IMAGE

1997

Is it Safe to Drive Check Engine Light?

VIDEO

Is it Safe to Drive Check Engine Light?

Instructional repair video

Check Engine Light

Check Engine Light

Why is my check engine or service engine soon turned on? In this guide we talk about what this is associated with this notorious light, what it is used for and what you...

Trouble Code P0421

I Have A Mazda 626.2001 4 Cyl. Auto. 76k. Check Engine Light Came On. Autozone Checked And Code P0421 Came On. The Counter Guy Suggested A...

Asked by irish81449 ·

3 ANSWERS

2000 Mazda 626, P0420 Question

Greetings, First Time Poster. I Have A 2000 626 With About 64k Miles, A 2.0 And Auto Trans. I Have Been Working The P0420 Problem...

Asked by Coastie John ·

3 ANSWERS

2000

2001 Mazda 626 Code P0400

Hi, Have Mazda And I Have Check Engine Light On. Comes On Every 30-40 After I Reset It. The Code P0400 Reads: Exhaust Gas Recirculation...

Asked by dpetrow ·

1 ANSWER

2001

How to Read Trouble Codes

VIDEO

How to Read Trouble Codes

Instructional repair video

2000 Mazda 626 P0420

I Have A 2000 Mazda 626 V6. For The Last Couple Of Years The Check Engine Light Comes On With A P0420. It Might Come On For A Couple Of Days...

Asked by fingers0930 ·

1 ANSWER

2000

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