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The "Service Engine Soon" light, or "Check Engine" light is how a car alerts the driver of any problems related to its central computer. The ECM, or Electronic Control Module, controls the vehicle's engine and transmission. The service engine light warns if there is anything preventing the engine from, "running at top efficiency with the lowest possible emission," according to Samarins.com. ---------------------------------------------------------------------------------------- Original Launch X-431 DIAGUN III
Sound like a O2 sensors, if the Check Engine Light illuminates constantly during driving with no noticeable driving or performance problems, there is a permanent fault in the emission control system. When this happens, the computer that controls the emission system usually has a backup program that runs while the fault is present. (These backup programs are often referred to as "limp home" mode programs.) You should get the vehicle serviced as soon as possible, but in most cases, the vehicle will continue to operate, though you run a risk of it dying or not starting.
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the first thing you need to do is take your van to a autoparts store, and have them read the codes in the computer. this is a free service. a flashing service engine light is a indication of a emergency situation so get there soon. once the codes have been read get back to me and i can probably help you more
The service vehicle is not the same as the service engine light in that the service vehicle light has to do with the body control module,(BCM).You have to get the codes read for the BCM and any other module with the scan tool.I`m not sure if Auto Zone can read the BCM codes.Not all scan tools are able to read all the modules in a vehicle.Hope this helps.Good luck.
If it does not do it in park or neutral, it could be a number of things. One being a sticking Torque Converter Clutch solenoid (TCC). It could be that it needs a simple tune-up. How often does this problem happen?
most any sensor going bad can cause the check engine light to come on,try disconnecting the posative battery cable for 15 seconds ,then put it back on,will reset the codes, or take it to auto zone,they will test your computer for codes at no charge to you.i had a venture van my was ox. sensor. thanks robert b.