Question about Cars & Trucks
The engine have bad start.
Well, four digit codes are brand specific. Code 1131 for a Hyundai involves the fuel injectors and the mixture. The computer can not adjust the fuel mixture by normal means.
The problem could be one of the injectors, or the fuel pressure, or something else.
If the fuel system has low or zero fuel pressure the pump could have failed.
Posted on Jul 11, 2013
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Posted on Jan 02, 2017
check pressure on fuel rail using propper fuel pressure gauge if its not to manufacturers specifications replace fuel pump if it is to manufacurers spec then replace fuel pressure regulator on the fuel rail thanks good luck with projects
Posted on Jun 30, 2008
SOURCE: 2003 Hyundai elantra
Hi there they are known to have dramas with the pick up for the immobilizer i would be getting that checked first before spending money on something .else
Posted on Sep 03, 2008
first check if the pump is activating by opening the fuel tank and listening remember some one has to be turning the ignition switch if you here the pump the you have a fuel injector pulse problem if you don't here the pump then check your fuses and the relays if thats ok then check if you have power on the red wire in the fuel tank if thats ok then you need a fuel pump
Posted on Jul 19, 2009
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