Did you find and correct the condition? I am having the same issue with mine. As Good As It Gets Copyright © 2009-2018 Abraham Torres-Arredondo All Rights Reserved. This will turn the check engine light off and then you will know if the check engine light returns, you've got further diagnostics to complete. Does the scan tool indicate that this diagnostic failed this ignition? In gasoline engines, the percentage of recirculated exhaust gas typically varies between 5% and 10%, depending on operating conditions, while on diesel engines this percentage can be as high as 50% under certain conditions. Ordered and replaced the downstream O2 sensor near the Cat and all codes were gone.
Code refers to the pintle being stuck open when the pcm has commanded it shut, make sure the passgae is not carboned up causing the pintle not to seat and the harness and connectors are ok. Is the idle quality poor? If this is suspected, prepare to perform resistance, ground, reference voltage, as well as continuity tests on all wiring. Then you should have a scan done with a bi-directional scanner that can command the egr to see the results, if commanded closed and it fail this command the engine would run rough and vacuum would drop off. It has no relationship to fuel mixture. How can you tell them apart? The p0742-tcc stuck on is usually a tcc solenoid or valve body problem.
Refer to in Wiring Systems. What are the common causes of code P1404? Note that intermittent faults are sometimes extremely difficult and time consuming to find and repair. Did you find and correct the condition? What else could be causing this? 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. I changed the O2 sensor on the exhaust manifold to no avail. When you see P1404 Buick 40 engine fault code on your engine code reader this description will help you.
The thick fluid and dirt provides some pressure. Only way to check that is to have the dealer scanner hooked up and check for updates. Look up your code definition. As with the p1811, worst case is that the trans needs an overhaul. Map kpa is 29 Volts. To illustrate this, look at photo 3 of 4 and photo 4 of 4 in the image viewer above. P1404 code resolves the synchroniser pin is released using hydraulic pressure which is controlled by a dedicated solenoid.
In some cases, it might be necessary to allow the fault to worsen before an accurate diagnosis and definitive repair can be made. Note that this is a rare event, and the fault must be sought elsewhere before any controller is replaced. Actual internal component slipping, problem in the trans. I'll show you how to test it without expensive tools. The color of the wires is not important as long as you identify the wire circuit by its letter designation. P1404 egr p0742 tcc stuck on.
If you have a part number you could see if there is a cross reference listing of vehicles that it fits. Did you find and correct the condition? What I recommend you do is to test for each signal with the connector connected using a wire-piercing probe. I need to clean more parts? Trim went to -22% and 7. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there? The ignition voltage is greater than 11. There also may be a pcm re-programming for this code. Answer: Well, the egr code p1404 is for closed position performance.
Remember, these are manufacturer specific codes only. This information can be of use should an intermittent fault be diagnosed later on. P1404 Buick 40 Meaning : p Powertrain Code Problem is related engine, transmission and emissions systems. Enabling conditions: Engine coolant temperature is over 184°F. Sep 15, 2009 Might want to remove the pan and look how much debris is in there.
Regardless of how you approach it, you should get this fixed right away. The Trim readings are -4 and 11 when dieing. What Tools Do I Need? Can I clean the pintle?. Refer to Step 4 with regard to clearing the code. Those years are fairly close so it shouldn't matter that much. The P1404 could be due to carbon chunks being broken off and getting caught in the valve.