...shut down replaced craked heater core,cylinder heads, water pump, timing chain, and tune up. Also new IAC, fuel and airfilter, ECM module, both coolant sensors,thermostat, coollant, and alternator. ...
Question about GMC Sierra
engine will run but rough with map vacuum disconnected.connect vacuum to map it leans out fuel and shuts engine down. replaced map sensor no codes in ecm look for vacume hoses off or cracked
...ECM you maybe loosing the crank signal there. Also these motors are know for the distributor shafts to wear and short to ground causing you to loose spark and shut down. Hope these help lead you in ...
Question about GMC Sierra
...shut down relay is fine, bypass asd, engine crank with starter with remote starter button Weak battery- Low voltage while cranking - Faulty Engine Control Module (ECM) relay - Blown ECM fuse - Faulty ...
Question about Cars & Trucks
...ecm will shut the engine down to protect it like wise if the wiring is loose /faulty the signal from the sensor is interrupted and that tells the ecm to shut the engine down again if the sensor is ...
Question about Cars & Trucks
...shut off. The Engine dies there is a fault in the system that the ECM is telling you about. As you are ignoring it and having the fault codes read so that the problem can be fixed The ecm is shutting ...
...Ecm, unless you found something for sure wrong with it. Then check the harness. Customer : we removed all the after market coils and installed the originals , engine still shut down , we tested for ...
...shut down again..anyone know what my problem maybe???? substitute the ECM with a known good unit indications are that there is a component in the ECM that is overheating and failing but when allowed ...
Question about GMC Sierra
shut down engine for around 10 mins then runs good again check with scanner no codes It needs a scanner on it to find the problem while driving it. Several things can cause this. At 4000 rpm's in park
...coolant temperature sensor---crankshaft position sensor---camshaft position sensor --- ECM. I would start with the water coolant sensor as if it reads boiling it will shut down the
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