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Po300 on a chevy impala and how much fuell pressure supose to be

Replace camshaft sensor intake manifull ruan better but still got po300 nd igine ligth flashing on and off

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P0300 means random misfire, and the engine light flashes because there is a problem with to much fuel, that can damage your catalytic converter, due to damage injectors, or map problem

Posted on Dec 15, 2014

Testimonial: "but still im confused with the pressure of the fuell pump. with the key on got55psi and drop down 45psi and when is ruaning 47psi? how much supose to be?"

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1 Answer

What is code P0109 for on a 2004 chevy impala


The Manifold Absolute Pressure Sensor/Barometric Pressure Sensor measures the rise and fall of the air pressure inside the Intake Manifold. It provides critical data needed for the Powertrain Control Module (PCM) to control the Air Fuel Ratio, the Ignition Spark Timing and many components of the Emission Control Systems.
Code P0109 sets when there is inconsistent or erratic performance in the voltage signal to the PCM from the MAP/Baro Sensor Circuit if this was helpful please leave good feedback

Feb 22, 2015 | 2004 Chevrolet Impala

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Where are the camshaft intake senor on a 2012 chevy equinox


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Oct 17, 2014 | 2012 Chevrolet Equinox LS 4dr SUV 2.4L...

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Misfire po300


Error Code: P0300
Description:
Random/Multiple Cylinder(s) - Misfire Detected
Problem Area:
Air Intake System leaking.
Fuel Supply faulty.
Injector(s) faulty.
Ignition Cable(s) and/or Spark Plug(s) faulty.
Ignition coil(s).Exhaust Gas Recirculation (EGR) Valve stuck/open.
Camshaft Position Sensor faulty.
Low compression.
Wiring.

Solutions:
Check Misfire Recognition.
Check Air Intake System.
Check Fuel Supply.
Check Injector(s) and Injector Sealing.
Check Ignition Cable(s) and Spark Plug(s).
Check Ignition Coil(s).
Check Exhaust Gas Recirculation (EGR) Valve .
Check Camshaft Position Sensor.

Feb 25, 2014 | Chevrolet Cobalt Cars & Trucks

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My 1997 Chevy 1500 W/T 4.3 failed emissions for PO143 02 Sensor Circuit Low Voltage (Bank 1(2) Sensor 3) What is this sensor for


O2 sensors read the exhaust gases and relays info to the computer. the computer reads that along with a couple dozen other things to determine best air/fuel mix

May 27, 2011 | Chevrolet 1500 Cars & Trucks

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2006 Chevy Impala SS. Engine light came on while enroute to Jiffy Lube. They said it is coming up as cam shaft. Am taking to Radley Chev. How long does this take approximately & is this dangerous to...


The engine light means you have a code stored that can be read.
A place like Autozone will read it for free.
Only with the code can we tell if it is serious or minor.

May 23, 2011 | 2006 Chevrolet Impala

2 Answers

Hi my 2006 cadillac cts has error codes po 300 303 305 343 347 368 392 and 496 can u tell me what they are or a website to find out thank u


P0300 is multiple engine misfire detected
P0303 is misfire in cylinder 3
P0305 is misfire in cylinder 5
P0343 is camshaft position sensor A (bank 1)
P0347 is camshaft position sensor A (bank 2)
P0368 is camshaft position sensor B (bank 1)
P0392 is camshaft position sensor B (bank2)
P0496 is EVAP Canister Purge System High Purge Flow

Jan 28, 2011 | 2006 Cadillac CTS

1 Answer

PO 341 code on 2002 chevy impala


Hi,
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.
Here is a possible solution to the problem;
  • Check that the wiring isn't routed too close to any secondary ignition components (coil, spark plug wires, etc.)
  • Visually inspect the wiring at the sensor for any burn marks, discoloration indicative of melting or chafing
  • Visually inspect the cam sensor for damage
  • Visually inspect the reluctor wheel through the cam sensor port (if possible) for any missing teeth or any damage
  • If reluctor isn't visible from outside the engine, visual test can only be done by removing cam shaft or intake manifold (depending on engine design)
  • If all checks out okay, then replace the sensor.


Be cool!!!!

Aug 02, 2010 | 2002 Chevrolet Impala

3 Answers

05 Impala missfire code 301 have changed


check intake for vaccum leaks,the gasket also and egr valve, thats alot of parts to have replaced without diagnosing first, if there are no fuel leaks and you said all injectors were replaced then you have a defective fuel pump, also these engines had misfire problem because of dirty injector but you replaced them so count that out. good luck.

Nov 02, 2009 | 2003 Chevrolet Impala

1 Answer

I get a code po300 on a scanner wich says multiple cylinder missfire on a 2000 chevy impala 3.8 engine i have replaced the computer no help any suggestions would be greatly appreciated thanks


Check and replace the plugs and see if the Spark plug wires need to be replaced too. Make sure the wires don't have any burn marks or arching on the exhaust manifold. The other thing to look for is dirty fuel injector and fuel pressure. Check the fuel pressure at the shredder valve, upon start up there should be 60psi to 65psi and when the engine is running it should drop 5psi. Good luck and hope this helps. keep me posted be glad to help.

Jun 15, 2009 | 2005 Chevrolet Impala

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