Question about Ford F-150
Depending on how old the vehicle is,it may be a bad modulator valve on the transmission,or just a clogged vacum line to the modulator valve on the transmission. please be specific with year,make and model,but i gave you diagnostic for 89 trhu 99 for most models anyway,research what year,make model of your vehicle.some want to blow smoke and say bad electrical module.do your research 1st beause transmission shops are gonna say replace the transmission to replace the issue. beware the trans shops that use 'god' for logo.some are great,others are ****. ask for a list of customers,and stand in line at those shops for disgruntled customers.do your research,angie's list.com is one way of finding out who does great work. wish you the best.
Posted on Apr 01, 2011
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Posted on Jan 02, 2017
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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.
Jul 11, 2017 | 2002 Honda Accord
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