Question about 1997 Mazda 626
I have not had a Mazda but in cars I have had it seem to be something which reminds me of timing belt which has slipped a tooth. If your car has a timing belt and has not been changed at the recommended mileage it would be something to check into. Most of my vehicles have been GM and I have had to change 3 timing belt all before 65,000 miles. It never did any damage to my engine but as I understand foreign cars have closer tolerances and can damage valves and pistons. I am sorry I can't be of more help. If your car has not lost any power other than what you have stated it is probably not the timing belt.
Posted on May 01, 2016
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Posted on Jan 02, 2017
Check the Fuel injection system (injectors) and the intake manifold. It might also be wise to check the alternator as well as the starter coil and also the electronic distributor
Posted on Oct 18, 2008
SOURCE: 199 mazda 626
Sounds to me like a fuel related problem. When heavy accelerating more fuel is pushed through the system. I would check the fuel filter, and its possible its the fuel pump, but usually once the pump starts acting up, within a few days it will go out all together.
Posted on Nov 05, 2008
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
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
You may have to dig deeper for a vacuum leak. It's possibly the intake manifold gasket. Try spraying some starting fluid around the intake manifold. Also try disconnecting the brake booster and plugging that hose, the diaphram in the booster could be ruptured, causing a vacuum leak. Check the PCV valve and hose too.
Posted on Mar 06, 2010
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