Question about Hyundai Elantra
I did through a code once for the MAP sensor which was replaced but it is still doing it.
Posted by Anonymous on
Even perfect electronics have trouble making an engine run properly if the mechanical parts aren't similarly in good order and when an engine obviously isn't right but nothing obvious is wrong it is time to check the less obvious, in particular check for dribbling injector(s) and bad spray patterns and of course fuel pressures.
It is also worth carrying out a cylinder leakage test (compression test is inadequate) to ensure the intake valve seats aren't leaking.
Posted on Dec 20, 2018
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Posted on Jan 02, 2017
Just trowing some suggestions out there, but, I would check the idle air control valve (solenoid) or the throttle position sensor. If they check out then my last guess would be the map sensor or the vaccuum to the map sensor. Hope I was able to help. Best wishes.
Posted on Jan 17, 2009
When I see all these codes i instantly think of two things. Vacuum leak especially intake manifold gaskets and Mass air flow sensors. Spray the engine with carb cleaner when its running and see if you get it to rev up,run rough or run different. Next unplug the MAF and drive the car, see if it runs normal.
Posted on Jun 02, 2009
Did you use a aftermarket O2 sensor or a genuine Hyundai one? If it's an aftermarket one it may be bad or not as good as the OEM one. See here for more details and other potential causes: P0133
Posted on Feb 11, 2010
SOURCE: 1998 FORD CONTOUR CHECK ENGINE
sounds like EGR valve and sensor this controls idle speed when at a stop. the po171 is a burn lean or rich code need to know what bank 1 or 2. also check for a vacuum leak from one of the hoses.
Posted on Aug 07, 2010
SOURCE: 98 jeep grand cherokee limited
98 jeep grand cherokee, starts fine but then dies and will not run, after it dies it will start right back and do the same thing, can not get it run, any help is always appreciated
Posted on May 31, 2011
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