Question about Cars & Trucks
Starts and idles, stalls out when throttle is opened.
Posted by Anonymous on
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Posted on Jan 02, 2017
If the fuel filter does not work, it may be the AIR CONTROL VALVE BOARD which is part of the electronic fuel ignition. I am going through this right now, and found that the "new" ones cost $600 and the used ones are $200, but when you get a used one, you take your chances, so ask for a money back guarantee from the mechanic, or their pledge to put in another one at no additional charge if the first one you get is a bad one the first time, because they are all 20 years old now...
Posted on Jun 06, 2009
Try looking to see if the fuel-shutoff is working, open only one fitting instead of two injectors. Check the glow-plugs or intake heater if applicable. You can put an in-line electric fuel-pump in place. This can help you find out if there is a hidden fuel-leak, system loosing its prime, or bad lift-pump. If this still doesn't help then you may want to dig deeper and see if the shaft broke on the injection pump. Remember to mark the pump so you put it back exactly where it was. Rule of thumb is to set the timing to TDC on cylinder #1. Mark the gears with ink or white-out. and the injection pump case too. Let me know how its going.
Posted on May 21, 2010
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Throttle Body Cleaning on vehicles without electronic throttle control (most 2003 and down)
You can in most cases repair this slow speed stall or unstable idle by cleaning the engine throttle valve and the idle speed control valve using a product called CRC Spray Throttle valve cleaner. Spray the cleaner into the air intake of the engine with the hose removed from the throttle body, the engine will try to stall so hold up the idle speed manually. Once you have used up about 1/2 can of the cleaner stall the engine out while spraying and turn the key off, disconnect the negative battery cable for 5 minutes and then reconnect and drive the car for a about 25 miles of varied driving modes. If this doesn't cure the problem you may need the fuel injectors professionally cleaned by the dealer service dept.
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