I have a 02 honda civic lx 1.7 sedan. How do you remove the fuel pressure regulator. i dont see any bolts holding it down.

I found this, but you need a basic socket set, or a set of ring spanners.

It is a 6mm bolt with a 10mm head.

https://www.google.com/search?q=+2007+Honda+Civic+bolt+size+on+the+thermostat+housing

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Typical issues in most likely order.

1. Loose fuel cap
2. Vacuum leak (fractured or detached line)
3. Bad fuel cap (seal or vent)
4. Failing EVAP purge valve solenoid
5. Failing EVAP canister vent solenoid
6. Fuel tank pressure sensor.

The leak can be difficult to find especially if fuel tank seal or fuel vent line.

If you can DYI and given the vehicle age, replace fuel cap, purge valve solenoid, and vent solenoid. It will cost $70-$100 but you'll spend that on a shop diagnosis alone. If replacing these 3 items doesnt fix it then likely a vacuum line leak or tank pressure sensor (higher repair difficulty).

Not sure but usually there's a capped shraeder valve someplace on the fuel rail. Remove the cap and attach your gauge.

Error Code: P0301
Description:
Cylinder 1 - Misfire Detected
Possible Cause:
Wiring.
Ignition system.
Fuel injectors.
Fuel pressure.
Running out of fuel.
EVAP canister purge valve.
Evaporative emission system.
Low compression.
Base engine problems.
Engine control module (ECM).

Error Code: P0302
Description:
Cylinder 2 - Misfire Detected
Possible Cause:
Wiring.
Ignition system.
Fuel injectors.
Fuel pressure.
Running out of fuel.
EVAP canister purge valve.
Evaporative emission system.
Low compression.
Base engine problems.
Engine control module (ECM).

Error Code: P1300
Description: Random Misfire
Possible Cause:
As above.

P1457 HONDA - Evaporative Emissions Control System Leakage EVAP Canister Systemhttp://engine-codes.com/p1457_honda.htmlForum CodePossible causes- Missing Fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap There is a Honda factory service bulletin with information on how to diagnose the P1456 on the following Honda models:
1998 Honda Accord
1999 Honda Accord
2000 Honda Accord
1998-2000 Honda Accord
symptoms- Engine Light ON (or Service Engine Soon Warning Light)
- Possible a noticeable fuel odor caused by the release of fuel vaporsP1457 HONDA Description The evaporative emission (EVAP) control system stores fuel vapor from the fuel tank in the EVAP canister temporarily to prevent it from escaping to the atmosphere and to enable it to be drawn into the engine by intake manifold vacuum and burned. In addition, the onboard refueling vapor recovery system (ORVR) stores fuel vapor generated when refueling in the EVAP canister.

The EVAP control system leak detection method improves the accuracy and frequency of the detection by determining faulty components and vapor leakage for each part. The EVAP control system (from the purge valve to the fuel tank) is divided into two parts. One is the "EVAP Canister Side" (from the EVAP two way valve to the purge valve) and the other is the "Tank Side" (from the EVAP two way valve to the fuel tank). There is 0.04 inch leak detection and 0.02 inch leak detection. If the 0.04 inch leak detection results are OK, the 0.02 inch leak detection runs. The P1457 code is detected when the EVAP system has a very small leak.

P0107 HONDA - Manifold Absolute Pressure Sensor Circuit Low Voltagehttp://engine-codes.com/p0107_honda.htmlForum CodePossible causes- Manifold Absolute Pressure harness is open or shorted
- Manifold Absolute Pressure sensor poor electrical circuit connector
- Faulty Manifold Absolute Pressure sensor
- Faulty Engine Control Module (ECM) When is the code detected?An excessively low voltage from the sensor is sent to ECMSymptoms- Engine Light ON (or Service Engine Soon Warning Light)
- Engine rough idle
- Engine hesitation
P0107 HONDA Description The Manifold Absolute Pressure sensor provides instantaneous manifold pressure information to the engine's Engine Control Module. The data is used to calculate air density and determine the engine's air mass flow rate, which in turn determines the required fuel metering for optimum combustion. A fuel-injected engine may alternately use a Mass Air Flow sensor to detect the intake airflow. A typical configuration employs one or the other, but seldom both.


In some vehicles the absolute pressure sensor is built into ECM. HONDA Technical Service Bulletins for P0107 code1999 HONDA ODYSSEY Electrical System 2000 HONDA ODYSSEY Electrical System1998 HONDA ACCORD Electrical System 1999 HONDA ACCORD Electrical System 2000 HONDA ACCORD Electrical System 2001 HONDA ACCORD Electrical System 2002 HONDA ACCORD Electrical System 1996 HONDA CIVIC Electrical System 1997 HONDA CIVIC Electrical System 1998 HONDA CIVIC Electrical System

Fuel Filter Removal & Installation NOTE: A combination fuel filter and fuel pressure regulator is used on all gas powered engines. It is located on the top of the fuel pump module. It contains a diaphragm, calibrated springs and a fuel return valve. The internal fuel filter is also part of the assembly.
To Remove:

1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
2. Release fuel pressure
3. Remove or disconnect the following:
   • Fuel Tank refer
   • Fuel tank and remove the purge line and vent line.
   • Fuel line from pressure regulator. Fuel Pressure Regulator Locking Tab
     
     
   • Pressure regulator by pushing the locking tab in from locking slot and turning pressure regulator to unlock it.
   • Pull regulator straight up.

To Install:

1. Push regulator down and into place.
2. Turn fuel pressure regulator to lock it in place. Make sure take the locking tab is in the locking slot.
3. Install or connect the following:
   • Fuel line to regulator
   • Fuel pump electrical connector into hole in the body.
   • The purge and vent lines.
   • Tank into position and install tank straps.
   • The fuel filler tube and tighten the clamp.
   • The stabilizer bar and install bolts.
4. Lower vehicle.
5. Install or connect the following:
   • The fuel pump electrical connector that is in the rear seat.
   • The rear seat.
   • The battery cable.
6. Fill fuel tank. Use the DRB scan tool to pressurize the fuel system. Check for leaks.

It is with a 2 wire Black connect located next to the throttle body. Locate the green cap on the evap hose and follow it to the throttle body and that is the purge valve.

DTC P0171: Fuel System Too Lean

NOTE: If some of the DTCs listed below are stored at the sametime as DTC P0171 and/or P0172, troubleshoot those DTCs first, thenrecheck for P0171 and/or P0172.

P0107, P0108, P1128, P1129: Manifold Absolute Pressure (MAP) Sensor
P0135: Primary Heated Oxygen Sensor (primary HO2S) (Sensor 1) Heater
P0137, P0138: Secondary HO2S (Sensor 2)
P0141: Secondary HO2S (Sensor 2) Heater
P1259: VTEC System

1. Check the fuel pressure. Is fuel pressure OK? YES - Go to step 2. NO - Check these items:

• If the pressure is too high. Check the fuel pressure regulator, and the fuel return pipe.
• If the pressure is too low. Check the fuel pump, the fuel feed pipe, the fuel filter, and the fuel pressure regulator.

1. Start the engine. Hold the engine at 3,000 rpm with no load (in neutral) until the radiator fan comes on.
2. Check the primary HO2S (Sensor 1) output with the scan tool. Does it stay less than 0.3 V or more than 0.6 V ? YES - Replace the primary HO2S (Sensor 1). NO - Go to step 4.
3. Turn the ignition switch OFF.
4. With a vacuum pump, apply vacuum to the EVAP canister purge valve from the intake manifold side. Does it hold vacuum? YES - Check the valve clearances and adjust if necessary. If the valve clearances are OK, replace the fuel injectors. NO - Replace the EVAP canister purge valve.

hey, I replaced a mirror on a 2002 civic lx coupe.

1) Pry off the small pastic traingular piece from the interior of your door.
2) Disconnect the wiring to the mirror
3) There will be 3 bolts that attach the mirror to the car, remove these and the mirror can be removed. To put on the new mirror just do everything in reverse

Just make sure you order the right mirror, I accidentally order the mirror for the sedan model the first time and they are not interchangable.

Hope this helps