Hello, the map sensor is an input of engine load. When the map sensor is disconnected it will set a fault code which is emission base and check engine will come on,this cause the system to go into a default...
Hello - to answer your location question, the ECM is behind the fuse and relay block of electronics under the passenger side of the dash (behind the glove box). The ECM is behind the other electronics, mounted flat against the...
Hi, thanks for writing in. High engine idle can be caused by a number of different things. A stuck/binding throttle, vacuum leak, bad throttle position sensor, coolant or air flow sensor all can be the cause of a high idle...
There is an easy way to do a type of check by using a low side pressure gauge from a local parts store. Many places sell the can of refrigerant with the hose and gauge that come with it or...
Hi Travis. If you have multiple electrical warning lights on the dashboard after completing a camshaft position sensor replacement, and the battery terminals were not removed - it's likely that these warning lights are triggered by an electrical short. It's...
The symptoms described with your Lincoln LS indicate that it is experiencing a weak window motor. The driver's side window is the most used window in most vehicles, therefore typically it is the to start first to fail. It is...
The P0304 code indicates a misfire has been detected on cylinder 4. The P0172 code indicates that the fuel mixture is richer than the mixture control can compensate for. It's possible that they are related, but not necessarily. Rich mixture...
Hello - there are known issues with the valve body wearing out faster than should be normal on this transmission. I would check with a reputable transmission shop in your area for a rebuilt valve body. these are available with...
Hello and thank you for contacting YourMechanic. Anytime when turning and you hear a clicking sound, that is the outer bearing on a CV shaft seizing up or slipping within the ball bearings. I recommend replacing both front CV axles...
Hi There, As you know, this codes relates to a misfire, but is more commonly known to be caused by valves out of adjustment or in some cases clogged EGR valve passages. When the valves are out of adjustment, this...
Hi there. More often than not, the issues filling up the fuel tank is attributed to a bad EVAP vent solenoid. It is the job of the EVAP vent solenoid to allow air into the charcoal canister so that the...
Hi John. Thanks for contacting us today. I think the first thing you should do is read this article about the P-0420 OBD-II trouble code. In most cases, this code is caused by faulty O2 sensors or a Catalytic converter...
Hi, thanks for writing in. This could be one of two issues: a weak battery in your key fob or a faulty key fob as a whole. I would recommend changing the battery in the fob and see if the...
It's possible that water or dirt has infiltrated an electrical connection to a key sensor. That could cause the vehicle to go into limp mode or reduced power. The issue you are writing in about is common enough that a...
What you are describing sounds like a bad or worn out ball joint. A ball joint is designed to pivot through multiple planes. Of course, because the ball joint constantly pivots at different angles, it tends to wear out more...
The warning light means there is an electrical malfunction in the collision avoidance system and that could involve sensors, wiring, the control computer and so forth. Anybody who fixes it (whether you, a Mechanic, etc.) has to have in hand...
Hi Jeremy. Thanks for the question today. The type of digital scanner used can significantly impact the ability to clear codes. So, if you're using a generic code reader that does not have Chevrolet-specific software to access all OBD-II generic...
Hi there. A car that pulls to one side when braking is an indication of a potentially dangerous situation, and should be inspected and repaired as soon as possible. Some common issues that cause this include a collapsed brake caliper...
The front control module controls the hazard light function. If it has failed it can permanently activate the hazard lights. This item would need to be purchased and programmed at the dealer.
Based upon the symptoms you are describing, it sounds like you may have a faulty camshaft position sensor. The camshaft position sensor is a magnetic sensor that monitors camshaft speed to regulate ignition timing and fuel injection timing. It gathers...
The pressures look good but a little high on both the low and high side. This would all depend on outside temperature and humidity outside. When you want to see how cold your A/C can get out of the vents,...
Hi there. My guess would be that the flywheel is not properly installed; especially if the ticking noise rapidly increases as the engine RPM increases. If the noise is consistent regardless of the RPM, it's probably a loose bracket or...
The wrench symbol is your check engine light. Generally, the check engine light comes on when something fairly serious is going on with the vehicle. This can happen for many different reasons such as a faulty mass air flow sensor,...
It sounds like you may be having an issue with the fuel system. If this truck has throttle body injection, there may be an issue with the throttle body. Otherwise, a clogged fuel filter or faulty fuel pressure regulator could...
