Injectors cleaning problems
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Jingle 
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Hyundai Accent 2009 63000 miles
Hello, buddies, I want to share the problem I have with my Hyundai Accent Vision 1.6 A/T 2009 and hope someone can guide me. After changin the oil, filter and distribution kit, I started noticing a jingle in the engine when reaching 2000 rpm, and even stronger when driving along an uphill road. Spark plugs, refrigerant and detonation sensor were changed and both the throttle body and the injectors were cleaned, but the problem persists, even though I only use 92 octanes fuel, the right one for this car. When scanning it, there is no failure indicated, just as when a compression and leakage test is made. What other reason might there be causing the jingle in this specific vehicle? Hope you can give me a hand, thank you.
2 reports
AL
Buddy, how long is it since the last time you cleaned the fuel tank and pump filter? It is of no use to clean the injectors and everything else if your tank is full of mud. You should as well check the spark plugs' wires to see whether there is some leakage there. At night, turn on the engine and look carefully if any of the wires is sparking. Finally, check that the coil sends enough electrical current.
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Best answer (according to REBECCA)
RE
Hello, alfy, thank you very much for your response. The last thing I've done to my car was checking the tank's state, fuel pump and filter but everything was found in perfect conditions. After that, the IAC valve was cleaned and, after all this, when driving it yesterday, revolutions were over 5000 per minute for some minutes in 3rd (O/D Off) but no jerking nor jingling have appeared. I suppose that the problem had something to do with some cinder that was producing the pre-ignition.
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