Question about Cars & Trucks
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Check Engine Light
It sounds like you may have a failing Mass Air Flow sensor, seems like Ive been seeing these tied together quite often. Its a little tricky but a good repair shop should be able to test this sensor. I dont want to tell you to replace it without having it tested cause they are a bit pricey but check around, you never know. Hope this give youu another idea where to look.
Posted on Oct 02, 2008
SOURCE: p1128 code
I looked on alldata, and my Chrysler site, and there is no P1128 code listed. Are you sure the code is correct? What motor is in it? I looked for the code online for generic reasons, and it says it is for upstream heated O2 sensors swapped. Never heard of this code ever in 14 years of service work.
Posted on May 29, 2009
SOURCE: fault codes for a ram 2500 04
P0191 Fuel Rail Pressure Sensor Circuit Range/Performance
It maybe your Fuel Sensor, or Fuel regulator is bad. Ask dealer if there is a TSB on it, just in case it is a recall on a part that is defective and get a free fix if it is.
Posted on Oct 24, 2009
Code P0191 is fuel range pressure fault. It could be a problem with the fuel pressure sensor or connections/installation.
You need to check if the fuel pump is working and if so, at what pressure, it may be a faulty pump.
hope this helps
Posted on Nov 05, 2009
SOURCE: i have a toyota premio
Good Day qits81, if your vehicle does not do anything funny while running it is nothing to worry about. Under normal operating conditions the engine control unit runs an automatic system diagnosis program to ensure that the engine runs at an optimum. As soon as the engine control unit received "feedback" from the sensors and all is o.k the light switches off. If there is a problem with one or more of the systems the check engine light will stay on to warn the operator that they need to have it checked out.
Posted on Nov 30, 2010
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