Question about 1997 Geo Metro
What makes it stall out an not run
Posted by Anonymous on
Old posts .
if it cranks all engine stall for the following reason.
(physics) in the proper order.
1: engine bad. (or cant breath) (compression loss huge 1 or more cylinders.
2: this engine 1.0L or 1.3 runs on GAS, and spark is next , no spark running end. (slow or fast, and is called misfiring)
3: bad fuel, (too much flooding its called or too little bogging and stalls)
1,2,3, its one of those 3 things
there 3 exceptions (kinda)
a: battery power ended, 12v became 8v and engine stalls, actually EFI goes (OFFLINE) when no power. to run it.
b: EGR stuck open. very common, make all the above useless when stuck open.
c: idle air, the engine need air to breath or it floods.
there are 2 parts related to this fact, IAC valves if many times. or ISC valves, that meter air hot or cold engine.
(thermal air valve or electric or both)
if they stick closed, no air now , engine stalls , unless you right hot foot the throttle pedal and save the stall., if that is super easy , you lost air !
the number 1 reason for stalls in not getting tuneup.
Are your spark plugs in car , antique?
going for the 10 year record on spark plugs, or spark wires.
to solve this riddle, the shop uses TOOLS, those tools.
Gauges , meters, scanners and scopes.
Make the job easy and fast.
why not ask a shop just to diagnose car. (be wise to tune up first and not have them prove to you with hours of labor proving, gee,
all these parts here, are useless. (aka. basic service points parts)
Posted on Oct 23, 2016
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Posted on Jan 02, 2017
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