Tech Tip: Diagnosing and Repairing Honda When MIL Comes On

Tech Tip: Diagnosing and Repairing Honda When MIL Comes On

The MIL comes on with one or more of these evaporative DTCs stored: P0451 (FTP sensor circuit range/performance problem); P0452 (FTP sensor circuit low voltage); P0453 (FTP sensor circuit high voltage); P1454 (FTP sensor circuit range/performance problem).

Applies to: All 2002-’04 Honda CR-V

The MIL comes on with one or more of these evaporative DTCs stored: P0451 (FTP sensor circuit range/performance problem); P0452 (FTP sensor circuit low voltage); P0453 (FTP sensor circuit high voltage); P1454 (FTP sensor circuit range/performance problem).

Diagnosis:

The FTP (fuel tank pressure) sensor has an internal malfunction. Replace the fuel tank pressure sensor.

1. Connect the HDS to the DLC (data link connector).figure 1

2. Remove the fuel fill cap.

3. Turn the ignition switch to the On (II) position.

4. Select the PGM-FI data list, and observe the fuel tank pressure sensor voltage.
• If the FTP sensor voltage is between 2.46V and 2.56V, run the evaporative function test and follow normal troubleshooting. This service bulletin does not apply:
• If the FTP sensor voltage is not between 2.46V and 2.56V, go to Repair Procedure.

Repair Procedure:

1. Remove the EVAP canister.
• Refer to page 11-217 of the 2002-’04 CR-V service manual, or
• Online, enter keyword EVAP, then select EVAP Canister Replacement from the list.

2. Remove the three EVAP canister bracket bolts and lower the EVAP canister bracket. See Fig. 1.

3. Remove the EVAP two-way valve and the fuel tank pressure sensor vacuum hoses. Then remove only the EVAP two-way valve.

4. Install the EVAP two-way valve onto the new canister bracket. See Fig. 2.Figure 2

5. Install the remaining parts in the reverse order of removal.

Courtesy of IDENTIFIX.

You May Also Like

Top 5 Tools: Riley Bender, Riley’s Repair

Top 5 Tools Riley Bender, Owner Riley’s Repair Brackney, PA Riley’s top 5 favorite tools are: Craftsman 27-Piece Screwdriver Set “These tools have been very useful in engine repair.” Channellock’s 12” Tongue and Groove Pliers “These pliers are helpful in removing hose clips on the tubes in cars.” Pittsburgh 40-Piece Socket Set   “It is

Top 5 Tools

Riley Bender, Owner
Riley’s Repair
Brackney, PA

Riley's top 5 favorite tools are:

Craftsman 27-Piece Screwdriver Set
“These tools have been very useful in engine repair.”

Channellock’s 12” Tongue and Groove Pliers
“These pliers are helpful in removing hose clips on the tubes in cars.”

Battery Chargers & Testers – Keeping the Charge Alive

Keeping a vehicle’s battery charged and ready to go is more important than ever.

Top 5 Tools: Steve Molnar, Suburban Auto Service

Identifix, Snap-on and Matco Tools are named as the makers of this top technician’s top five favorite tools.

Diagnosing Ford EGR System Modules

The EGR system module is one of Ford’s latest EGR systems for gasoline engines. It is an EGR valve, EVR, MAP and DPFE sensor rolled into one package. Grab your scan tool, contributing writer Glen Beanard explains how to diagnose problems in these systems.

Air Update: Buying a New Air Compressor

Routine maintenance makes a huge difference in lifecycle expectancies of our tools and equipment. But even with the best maintenance schedules, you need to replace your capital investments at some point.

Other Posts

Snap-on Lights the Way

Snap-on lights provide techs illumination in dark spaces.

Inductor Max: Experience the Power of Induction Heating

Rapidly heat components while eliminating the dangers of an open flame.

Hunter Center-Clamp Tire Changer Adjusts to 3 Heights

The new tire changers, which include a mobile version, meet the need for shop productivity in limited space.

ProMAXX Tool Provides Solution for FCA U90 Emissions Recall

Bullit adaptable bolt repair ProKit and thread repair kit helps technicians quickly perform repair.