A blinking engine light could mean several things. The only way to know for sure is to have the Jimmy checked out by a licensed mechanic.
you may need a new carborator
A blinking check engine light on your 1996 Oldsmobile 88 typically indicates a serious engine issue, such as misfiring or a problem with the ignition system. This can lead to increased emissions and potential engine damage if not addressed promptly. It's advisable to stop driving the vehicle and have it diagnosed with an OBD-II scanner to pinpoint the issue. Ignoring a blinking light can result in more costly repairs down the line.
There are several relay switch is on your 1996 GMC Jimmy. The brake light relay switch can be found below the dashboard in the engine compartment.
unhook the battery for abt. 30 sec and re connect
If the check engine light is blinking that means that an engine cylinder misfire has been detected . You can drive it in for repair , just avoid any rapid acceleration or deceleration because you can damage the catalytic converter
you need a scanner.there's many cheap "[obd2] scanners out there. or you can go to autozone and they scan it for free.
Because of an electric fault
Commonly, the OD blinking and subsequent CEL are due to the tranny overheating. Most common on the 4 cylinder (AT) models. OD light blinking implies the tranny is overheating. the CEL appears when the tranny is significantly overheating. Frequent fluid changes and an auxillary tranny cooler can help extend the life. It appears that the transmission on the 4 cylinder is simply undersized.
Have vehicle scanned to determine problem -- most auto parts stores will do this free. The light blinking (as opposed to being on solid) indicates a serious problem (such as a misfire) that could lead to damage to the engine if it is run for an extended amount of time in this condition.
Look at the lower rear end of engine
A blinking check engine light on a 1996 Mercedes S420 typically indicates a serious issue, such as a misfire in the engine. This can lead to potential damage if not addressed promptly. It's advisable to stop driving the vehicle and have it diagnosed with an OBD-II scanner to pinpoint the problem, which could range from faulty spark plugs to more significant engine issues. Ignoring it could lead to costly repairs, so it's best to seek professional assistance as soon as possible.
If it is outting off a code 741 it is your touqe converter, over heating.