1998 GMC Suburban "check engine light flashes 2500" Questions

...check engine light flashes when at or around 2500 rpm and up. engine runs smooth and no codes come up ? light goes out when rpm is reduced. are you checking code with a small simple scanner this will ...

...check engine light gives me 3 codes. 12, 21 & 52. what do these codes mean? It's a 1995 Dodge Ram 2500. 12..Battery was disconnected within the last 50 key-on cycles (Resets after 50) They dont list ...

why does my check engine light blink at 65 mph on my 2004 gmc 2500 A flashing or blinking check engine light means there is a severe engine misfire that could damage the catalytic converter's .

...an aldl (assembly line data link) plug under the drivers side of the dash. Ground the A and B terminals and turn the key to the run position. Count the number of times the check engine light

...check to make sure fuel pressure is holding when you turn the engine off. You could have a injector leaking off, or the fuel pressure check valve could be the problem. It also could be a fuel filter ...

...check engine comes on. The engine seems to lock in the current gear.I can stop and restart engine and it returns to normal. John John, is this an Hemi 5.7 truck 2500, and the ETC, MIL lights flash or ...

...check engine light flashes randomly and different number of flashes each time like some sort of code is this posible? It is misfiring. It likely needs a tune up. Have it scanned. This will tell you ...

...check engine light that comes on sometimes steady, sometimes flashing, and occasionaly not at all. the problem is persistent regardless of the check engine light. just wondering if i should look at ...

...engine really doesn't want to get above 2500 rpms. Has anyone heard of this type of problem before? I'd appreciate any suggestions. Thanks Keith. Check for intake blockage (coking). May also be a bad ...

...engine and auto trans, two barrel throttel body and 180000 miles. Check eingine light works but has not iluminated for these problems. Engine dies at idle or after driving and taking my foot of the ...