The engine runs unevenly at idle and causes the engine to shake if it is severe enough. The engine idle rpm may vary (called ‘‘hunting’’). This condition may cause stalling if it is severe enough.
SKIM
sentry key immobilizer module
SKIS
sentry key immobilizer system
start & stall
The engine starts but immediately dies.
surge
engine rpm fluctuation without cor- responding change in throttle posi- tion sensor