What Happens if a Catalytic Converter is Removed?

Check Engine Light 4 Comments

Catalytic ConverterDenLorsTools.com Summary: One of our recent questions was regarding a performance issue and lean codes on a Ford F150. The fact that the catalytic converters were removed was skated over as a non issue. There are several things to consider before going to the extreme of removing a catalytic converter. Legal issues, running or performance issues etc. See the following for more information on what can happen and why the catalytic converter or converters should not be removed.

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Check Engine Light on After Overheating – Jeep GC

Check Engine Light, Jeep No Comments


© DenLorsTools.com  Summary: This auto repair blog consists of questions from a Jeep Grand Cherokee owner and answers on possible causes of over-heating and a CEL (Check Engine Light). The Jeep owner has a CEL that came on after his vehicle overheated. With no obvious leaks he asks advice.

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EVAP System Vent Problems – Gas Won’t Go Into Tank

Check Engine Light, DIY, EVAP, How To Auto Repair 38 Comments

The black specs in the picture are charcoal pellets that came from the charcoal canister.

© DenLorsTools.com Summary: DenLors auto repair blog covering a common EVAP (Evaporative Emission Control) system problem. EVAP charcoal canisters can contaminate the system causing flow and vent issues. Sometimes problems with venting can make it almost impossible to fill up at the gas pump. A very frustrating ordeal at the pump is to have the pump shut-off while putting gas in BEFORE the tank is full. Some vehicles even have the fuel splash back out due to improper vent tube operation. This car repair article points out several things to look for when charcoal from an EVAP canister has broken loose and has entered the EVAP lines causing a blockage.

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Accelerator Pedal Position (APP) Sensor – Fly by Wire

Check Engine Light, Chevrolet, DIY No Comments

The engine may intermittently jump, setting a DTC P2138 fault code.

© DenLorsTools.com Summary: In older cars accelerator pedals were linked to the carburetor by cable, my how times are changing! Now, many automobiles have the “fly by wire” set up. Instead of  cable from the gas pedal, most new cars use computers and various components to make the car GO. This DenLors car repair article covers common fault codes like the P2138 which have to do with the electronic gas pedal used in many cars today. Read on to find out how the auto industry has mimicked the aircraft industry…

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Common EVAP Codes – Car Tools, Tips & Advice

car tools, Check Engine Light, EVAP, How To Auto Repair, Mechanics Tools 7 Comments

Evap Hose Leak 1

© DenLorsTools.com  Summary: Car repair blog covering the most common causes of EVAP fault codes which are a major reason for Check Engine Lights to come on. Explanation of the purpose of Evaporative systems and tips on what to look for when trouble shooting EVAP fault codes. With a code reader or scan tool, many times the cause of a car’s EVAP code can be diagnosed without additional car mechanic’s specialty tools. Learn which faults are simple fixes and when help from a car repair manual or a dealer tech on-line may be needed. Related car tool blog linked for “EVAP smoke machine use” when leaks are hard to find. Read the rest…

P1281 Code GMC Chevy Thermostat – Scanner Code Reader

Auto Scan Tool, Auto Specialty Tools, Check Engine Light, Chevrolet, DIY, How To Auto Repair No Comments

© DenLorsTools.com Summary: Applies to 2002 to 2009 second generation Trailblazers and Envoys with 4.2 Liter in-line 6 cylinders. This auto repair article is for GMC Envoys or Chevrolet Trailblazers when a P1281 fault code is scanned using a code reader or scan tool. The P1281 fault code is related to the engine not reaching operating temperature within the set parameter. More explanation of what the code means and suggestions on how to complete the repair much easier. Using any code reader or scan tool with OBD II capability is all that is needed to read and erase the fault code. 

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Honda Accord Oxygen Sensor P0141, P0135 – Check Engine Light

Check Engine Light, Honda, How To Auto Repair 12 Comments
2006 Honda Accord Check Eng P0141 Heater circuit fault B1 S2
© DenLorsTools.com  Summary: Auto repair article with information on the Honda Accord check engine light with a fault code of Po441 or P0135. Code definition and location of sensor when this code is stored in the vehicles computer. Car repair tips including how to access electrical plug for oxygen sensor past catalytic converter and which type of specialty is used for the sensor.