Question about 1999 Oldsmobile Alero
Checked the normal fuses,relay power. car statrts and drives, service engine light on, cannot connect to odb2 no com.
Check pin number 16 of the OBD 2 diagnostic connector, it should have 12 volts, if not the port will not power up the code reader or scanner. See diagram below.
Posted on Oct 31, 2012
Testimonial: "Thanks Dennis for your help. The actual problem is the vehicle is second hand to my daughter. the original owners installed a remote start/sercurity alarm. the system failed and VATS was shorted. i am in process to remove the entir remote start security system. still no power to the odb2 pin 16. that is ok, my launch diagun has a breakout to either supply power to the dongle or hard wire the diagun around the bluetooth. yes i am a welder by trade and spend spaer money buying good tools. hobby mechanic. my local shop agreed to print the all data schematic for the vehicle. hopefully this weekend my daughter can have her car back. thanks for all your help, jason"
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Posted on Jan 02, 2017
Hi, there I solved it myself turns out it was the driver front Abs sensor. the bearing had to be replaced because the Abs sensor is build into the bearing.
Posted on Dec 01, 2008
well # 1 the full gauge when empty is a sign that your fuel pump is bad and that needs to be replaced the part about spitting the gas back out is probrobly a clog between the fuel door and the tank itself or their might be a vapor lock door that might be stuck shut so fuel cant get in im not 100%sure about that but im 100%sure that the fuel guage is the fuel pump being dead.
Posted on Aug 23, 2008
does the rpm motor kick down? you may need to check your vacuum hoses, and also you may want to check your exaust, sounds wierd but that can cause the car to stall at times.as for the traction light, your hitting the brakes to hard. try slowing down a little slower while stopping, and keep distance for saftey.. if you can take it a little slower at lights and turns, without braking hard and it stops stalling.
Posted on May 20, 2009
When did you last change the spark plugs, distributor cap, ignition wires, ignition coil, fuel filter, or the fuel pump? Any one of these could causing your care to stall. Also, have you been using regular gas or premium as premium gas can cause your engine to not combust properly if it wasn't designed for premium
Posted on Aug 07, 2009
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