Question about 1998 GMC Jimmy
Hi I am Vortash sounds like a blocked fuel injector or if your vehicle is not fitted with the fuel injection system a blocked main jet or fractured or perforated diagphram in the carb so as you push the accelerator the fuel is not being pumped into the inlet manifold . if carb type fitted check needle valve seat and remove main jet and clean , if non Nsu type carb check float chambers for contamination ,Check manifold seals for leakage .
Fuel Injected systems check all plugs to sensors and check air flow valve , remove plugs after attempt to start and see if wet thereby faulty pressure valve pumping too much fuel Ie : flooding . Check all plugs on ECU and throttle resistor (controller ) hope this helps regards vortash
Posted on Jul 13, 2009
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Posted on Jan 02, 2017
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