Hi there. This code typically occurs when the PCM has not be correctly reprogrammed by a dealer. Q: I have code p and p My car has an automatic transmission. Tim Charlet Automotive Mechanic. Thank Tim. Was this answer helpful? Thank you for your feedback! Sorry about that. Why wasn't this information helpful? Recommended Services. PT Cruiser. The statements expressed above are only for informational purposes and should be independently verified.

Please see our terms of service for more details. Related Questions. Glow plug by Ryan J. Diagnose torque converter selenoid or transmission by Kristen L. Stabilitrak System by Pat S. Coolant disappearing for radiator.

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Home Questions. Year I don't know. What others are asking Coolant leaking outside on front passenger side It sounds like your coolant overflow tank may be leaking as this is where it is usually located underneath the hood of the vehicle.

If the leaking only occurs after driving the vehicle, it is likely that the radiator is Read more. Car stalls while driving. It will start up after about 10 minutes. Hi There, What you are describing sounds like an ignition coil pack that may be failing.

Ignition coils are prone to this type of erratic functioning or heat cycling when they are beginning to fail due to the temperature fluctuations Stalling Hi There, It sounds like you may have a dirty or failing idle air control valve causing your engine idle to fluctuate and eventually stall.

p1603 mitsubishi

The idle air control valve is a small valve on the engine's intake system that Related articles. The Chrysler Oil Change Indicator lets you know when and what service your car needs. You may be living out of your vehicle at times, so you also want a rig Browse other content.However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time. If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.

Regarding the P code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter. P DTCs may also be triggered by faults earlier down the line.

For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems. Engine trouble codes resource center for all car models.

Code Search Please fill the "Code Box" to find engine fault code. Select Abadal Schneider Th. Clubsport Yes! Ways to read engine trouble codes. Ways to clear check engine light on car panel. Check Engine Light Dictionary Ways to clear check engine light on car panel.

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P Fault Symptoms : Check engine light comes on Engine stalling or misfiring Engine performance issues Car not starting If one of these reasons for P code is occuring now you should check P repair processes. Now don't ask yourself; What should you do with P code? The solution is here : P Possible Solution: The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. Check engine light comes on Engine stalling or misfiring Engine performance issues Car not starting.

If one of these reasons for P code is occuring now you should check P repair processes. The solution is here :.However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

So you should chech it on our car models. Disconnected, dirty or fouled spark plugs are common causes for engines that won't start.

Code No. P1603: Battery Backup Circuit Malfunction

Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

Parts or components should not be replaced with reference to only a P DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

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Code Search Please fill the "Code Box" to find engine fault code. Ways to read engine trouble codes. Ways to clear check engine light on car panel.

Tag: P1603

Check Engine Light Dictionary Ways to clear check engine light on car panel. Main engine trouble code archive on Web. Copyright EngineTroubleCode. Check engine light comes on Engine stalling or misfiring Engine performance issues Car not starting. If one of these reasons for P code is occuring now you should check P repair processes. Now don't ask yourself; What should you do with P code? The solution is here :.Visually inspect the related wiring harness and connectors.

p1603 mitsubishi

Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. P Toyota Description When the fuel pressure in the common rail drops below the threshold and the engine stalls, this DTC is stored.

It is necessary to check if the vehicle has run out of fuel before performing troubleshooting, as this DTC is also stored when the engine stalls due to running out of fuel. Get Access to Factory Service Manuals. Need more help? Get the P Toyota code diagnosed by a professional: Find a repair shop in your area. Related Information.

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Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P Toyota code? Have you replaced any parts? Any information is appreciated.

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Repair Importance Level: 3. Why is the Engine Light ON? Home - About AutoCodes. Posted and Edit by AutoCodes.The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

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Evaporative emissions systems test for a leak in the fuel tank and associated hoses. To perform the test, the computer pulls a vacuum and checks to see if the vacuum holds. Each car maker uses a different techniques to check, but most often it's some type of fuel tank pressure sensor.

If the change in pressure is outside of the calibration the DTC will set. The scent may P Mitsubishi signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such, so if the inside of your car as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends.

At least open a window on your way to the shop. All auto trouble codes with car brands. P U B C Example: P Mitsubishi Trouble Repair : The scent may P Mitsubishi signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior.

Example: Dan Ferrell writes about do-it-yourself car maintenance and repair. He has certifications in automation and control technology. An electrical circuit needs a good ground to function correctly.

A bad electrical ground may affect one or more electrical systems because it forces current to search for other easy paths back to battery ground. This may cause all kinds of trouble for lights, sensors, modules and other electrical and electronic components. Often, bad grounds are relatively easy to diagnose and fix, usually in minutes. You can diagnose and make the repair in your own garage using just a digital multimeter DMM and some common tools.

If you don't know where all the engine or transmission grounds are located in your car, you may need to consult your vehicle repair manual. You can get a relatively inexpensive copy through Amazon. Haynes manuals come with step-by-step procedures for many maintenance, repair, and troubleshooting projects.

p1603 mitsubishi

So you'll get your small investment back in a short time. The following sections are divided between "engine ground" and "body ground" tests.

This will make it easier to test the starter motor ground path and accessories grounds to find common electrical system problems. Here are a couple of important points to keep in mind when troubleshooting grounds in your vehicle:. The engine ground provides an electrical return path for the starter motor. A bad engine ground is a common problem leading to hard-starting and no-starting conditions.

The following test takes a voltage drop reading to locate unwanted resistance in the engine ground path. If the ignition system is equipped with a distributor, you can disconnect the high tension cable from the distributor cap and ground it to the engine bolt or bracket using a jumper wire. On other systems, you can remove the fuel pump fuse. Consult your car owner's manual or vehicle repair manual to locate the fuse.

You can also use a starter remote switch. Connect the switch to the control circuit terminals on the starter relay or solenoid. You should get a reading of 0.

Consult your manufacturer's specifications in your vehicle repair manual, if necessary. Did you get a higher reading? There's some unwanted resistance in the ground circuit.

p1603 mitsubishi

To locate the problem, continue with the next steps. Repeat the previous two steps, moving your red lead to the terminal that connects the black, main ground, cable to the battery post. When you get a reading of about 0. Check for corrosion, broken or loose wires. Electronic modules and many electrical components on the engine, transmission and passenger cabin use the chassis or firewall as an electrical common ground.

This test checks for unwanted resistance at these points, including the secondary ground path between the battery and chassis, used by some older models. If necessary, consult your vehicle repair manual. You should get a voltage drop of 0.

Toyota Avensis fault code reset P1604 no start / ECU efi relay?

If the voltage drop is higher, continue with the next steps. Move your meter's red lead to the terminal on the firewall end of the secondary ground wire. Take a voltage drop reading.P the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination.

Refer to vehicle specific repair manual to perform component tests for the VCT unit. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter.

What you want to look any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression. Use your OBD Express DIY to look at the oxygen sensor outputs, coolant temperature, airflow, calculated engine load, and inlet air temperature.

Evaporative emissions systems test for a leak in the fuel tank and associated hoses. To perform the test, the computer pulls a vacuum and checks to see if the vacuum holds. Each car maker uses a different techniques to check, but most often it's some type of fuel tank pressure sensor.

All auto trouble codes with car brands. P U B C Example: Example: