Question about 2001 Mazda 626
My husband says he checked the hoses and plugs and everything is ok, the engine will rev up properly when he controls it from the engine, but I can barely get any power from it when I'm driving it. He thinks it's the fuel rail and I'm really hoping he can fix it. Thanks for all your help.
Not the fuel rail . have the fuel flow and pressure checked replace fuel and air filters. check spark plugs and plug wires.
Posted on May 31, 2014
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Posted on Jan 02, 2017
Your vehicle’s computer system has self-testing capability. When the computer senses that there is a problem with one of the components or sensors it stores the correspondent trouble code(s) in its memory and lights up the "Check Engine" or "Service Engine Soon" light to tell you that there is a problem and you need to diagnosed and repaired it. The list of possible codes number in the hundreds. The code itself doesn't tell exactly what component is defective - it only indicates where to look, or what engine parameter is out of normal range. A technician will have to perform further testing to pinpoint cause and the proper repair. When the light starts flashing the computer is telling you to have the vehicle looked at now before other problems happen.
Posted on Mar 05, 2009
Hi am just up the road on the SSC, it is easier to remove the alternator from underneath the vehicle & if you look under the carpet under the rear seat there is a plate which gives you access to the fuel pump cover in the tank. The pump can be accessed from there. If you want the workshop Manuals I have just uploaded them.
You can download the GD 626 Workshop manual & the Turbo supplement by going to the 626.net site.
Posted on May 26, 2009
Try unplugging your Mass Air Flow Sensor (MAFS) - you'll find it on top of the metal body immediately after the air filter. I went through an 18 month ordeal - replaced fuel filter, fuel pump, dropped fuel tank and cleaned it, ran 55 gallons of fuel injector cleaner through the system - nothing! After reading some blogs on this car/engine, gave the MAFS unplug trick a try. The car instantly corrected itself (when you unplug this sensor, the engine control module reverts to factory default, allows sufficient fuel into the engine for unitterupted performance.) However, if this corrects your problem, it's only a temporary fix. Run it about 3 days - it you notice soot in the tailpipe, the factory default is running too rich. Replace the MAFS.
Posted on Jun 02, 2009
SOURCE: Check Engine light code 1506
this code indicates under-speed error has ocurred.
sets when PCM detects idle speed is 100 RPM lowerthan expected for 14 sec while break pedal depressedand steering wheel is straight ahead.
possible causes: IAC valve failure,intake leak,throttle body failure,opens or shorts in wiring between IAC and PCM.
Posted on Sep 16, 2009
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