Question about Cars & Trucks
Engine warning light flashes on and off on dash for Hyundai grandeur xg 2001 when motor warms up looses all power if you touch the brake pedal motor nearly cuts out
SOURCE: XG Hyundai Grandeur 1999
could be several problems either a defective guage,a loose wire or a bad sending unit which is in the tank itself and requires a fair amount of work to replace. please rate this solution
Posted on Aug 30, 2008
remove back wheels with screendriver adjust handbrake remove rubber plug from disc brake rotate disc brake down and look inside the disc with light;ask other people with ML (mercedes) ,JEEP,GM
Posted on Mar 22, 2009
Purge Control Valve Problem
The "Purge Control Solenoid Valve" is the "Purge Control Valve".
Rough idle is a typical symptom of something amiss with the purge control portion of the evaporative emissions system. It could be the valve itself is not operating correctly, the evap canister (vapor canister) may be leaking, or full of raw gas instead of vapor, or maybe even the purge control valve is getting a faulty signal from the ECU.
The soleniod is checked by applying a voltage to it and checking to see if it closes, or opens (I'm not sure if its un-energized state is normally open, or normally closed). If the valve is bad it is a no-brainer to replace.
The vapor canister can be removed and checked to see if it is full of raw gas (not supposed to be), but checking it for leaks is a bit involved, and probably requires equipmet not normally owned by a home mechanic. Vapor canister failure on cars with a lot of miles is common. Replacement is the fix.
Of course if the ECU is not sending a purge signal to the valve correctly, figuring out why may proove difficult, and possibilities could even include a faulty ECU. I expect this is unlikely though.
It's a $20 part. I first would change pcv valve because it can give same error if it's plugged up. You can always remove it and shake it. It should rattle around real easy. If not, it should be repalced
Posted on Apr 17, 2010
If you are driving in slick conditions on snow and ice or on wet pavement, this could be NORMAL OPERATION. The lights are coming on to let you know that the Traction Control System (TCS) and the Antilock Brake System (ABS) is actively correcting a wheel slip condition.
If this is happening on dry pavement, and you are not driving like a maniac, (making the wheels slip and slide) then there is possibly a problem with one of your wheel speed sensors that is making your TCS and ABS computers "think" that there is a wheel slipping. You will have to scan your computer system and watch the wheel speed sensor data to find out which one is malfunctioning.
Posted on Feb 28, 2011
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