Question about 1997 Hyundai Sonata

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I have a hyindai sonata 1990 it will start but when i give it a bit of a go it the revs will drop and wont kick back in for a few seconds it dose it when i come down gears some times when the revs drop it will stall while the car is still going about 50-60 km and back fire and will be difficult to start its good on a long trip but when it around town it just runs up to ****

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Fuel excess, check fuel return valve

Posted on Sep 24, 2008

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Hmm, it's hard to diagnose without being there in person. Whatever help I can give you is this: The 9 causes of why an engine does not exert as much power as it should to take off right away as soon as you press down:
http://yourhandymanzone.com/Your_Handyman_Zone_How_To_Pages_Vehicle_Car_Zone_Cars_Trucks_Vans_Engine_System_Engine_Power_Less_Than_Expected_Normal.htm

Good luck!
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