Question about GMC Cars & Trucks
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Posted on Jan 02, 2017
SOURCE: 94 gmc jimmy will not start
You have to determine a few things. Are you getting spark at the plugs? Are you getting fuel to the injectors? You can also read the engine codes to see what codes are stored in there.
Posted on Jul 04, 2009
o2 sensor (oxygen sensor)
Posted on Aug 24, 2009
Testimonial: "Thanks I thought that might be one of the causes, Its just never done it so I needed a second opinion."
sounds like it could be a problem in the IAC circuit. The Idle Air Control valve manages how much air gets into the engine while @ idle. It receives commands from the ECM based on inputs from at least the mass air flow, coolant temp, throttle position and oxygen sensors
Posted on Sep 29, 2009
Purchase new egr valve gasket with screen on it. The motor as it get older produces more carbon it then begins to break off and when the valve opens it get caught in there. i have cleaned mine several times and finally found the gasket at napa for around 22 bucks. All you need it 10mm wrech and 10mm socket with ext. takes around 10 min to do.
Posted on Jan 26, 2010
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