Question about Generac Electrical Supplies
Are any of these Fault indicators lit?
The faul lamp goes ON when one or more of the following
engine faults occurs and when engine shuts down.
• Low oil pressure
• High coolant temperature
• Low coolant level
Any ONE of the above being activated will will cause the no fuel to the engine. I realize you stated that all fluid levels were correct. That does not preclude one of the sensors passing a false signal causing your problem.
Each of the sensors provide a ground to the PCB that will preclude an engine start. You can disconnect them one at a time and retry a start sequence with the switch in Manual. If after disconnecting a sensor the unit starts and runs normally you have found the defective sensor.
I really believe that Mr. Marty Leonard has a fault sensor induced problem.
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Posted on Aug 21, 2010
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Posted on Jan 02, 2017
Tips for a great answer:
The air duct for being collapsed or restricted
The air filter for being dirty or restricted
Objects blocking the throttle body
Excessive fuel in the crankcase due to leaking fuel injectors--Refer to Fuel Injector Diagnosis .
The evaporative emissions control system for improper operation
Excessive fuel pressure--Refer to Fuel System Diagnosis .
Malfunctioning fuel injectors--Refer to Fuel Injector Diagnosis .
Fuel contamination--Refer to Alcohol/Contaminants-in-Fuel Diagnosis .
Fuel composition--Refer to Fuel Composition Diagnosis RPO LGD, VIN code W, E85 compatible engines only.
The HO2S sensor 1 for improper installation and for electrical wires or connectors that may have contacted the exhaust system
The HO2S sensor 1 signal circuit shorted to voltage
Malfunctioning engine components--Refer to Symptoms - Engine Mechanical .
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Camshaft Position Sensor Circuit Range/Performance
What does that mean? This P0341 code basically means that the powertrain control module (PCM) detected a problem with the camshaft signal.
The camshaft position sensor (CPS) sends a specific signal to the PCM for Top Dead Center on the compression stroke as well as signals indicating the position of the cam sensor. This is accomplished through a reluctor wheel attached to the camshaft that passes by the cam sensor. Any time that the signal to the PCM is inconsistent with what the signal should be, this code is set. NOTE: this code can also be set by extended cranking periods.
Symptoms The car will likely run with this code set, as it is often intermittent and also because the PCM can often operate the vehicle in "limp-in/limp-home" mode even with a cam sensor signal problem. There may be no noticeable symptoms other than:
Jul 14, 2014 | 2001 Chevrolet Impala
The Manifold Absolute Pressure (MAP) sensor
responds to changes in the intake manifold pressure (vacuum). 5 Volts is
supplied to the sensor from the PCM (powertrain control module). Inside the MAP sensor is a
resistor that moves in relation to manifold pressure. The resistor varies the
voltage between about 1 volt to 4.5 volts (depending on engine load)
and that voltage signal is returned to the PCM to indicate manifold pressure
(vacuum). This signal is essential for the PCM to determine fuel delivery. A
P0107 DTC is set when the PCM sees that the MAP signal voltage is less than .25
volts which is too low.
FB.init("dd7d9e9681341cde77587bc6a2029f6f"); OBD-Codes.com on Facebook Potential Symptoms
The causes of a low MAP sensor signal
circuit (P0107) could be
any of the following:
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Jul 16, 2017 | Generac Electrical Supplies
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