Question about 1987 Chevrolet Cavalier 4 Door

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How do you solve a vapor block - 1987 Chevrolet Cavalier 4 Door

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Get it tested to be sure whats going on. I doubt you have a vapor lock issue if it stll does not start hours later.

Posted on May 26, 2010

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Vapor lock when the engine is runnig. How do I fix this issue


"Vapor lock" is a condition that occurs when fuel becomes heated to the point of evaporation. If your vehicle is truly vapor locking, it means that something hot is coming in contact with your fuel line somewhere, overheating the gasoline to the point of it vaporizing. This is HIGHLY UNLIKELY. If you truly do have a vapor lock condition, find out where the fuel is becoming heated and fix that condition.
On a 1997 Jaguar XK8, it is FAR more likely that you have a bad fuel pressure regulator or a bad ICU.

Jul 18, 2014 | 1997 Jaguar XK8

1 Answer

2002 Toyota forerunner fault code PO446


These are the listed trouble areas

Vacuum hose cracks, holes blocked, damaged or disconnected
Open or short circuit in vapor pressure sensor circuit
Vapor pressure sensor
Open or short in VSV circuit for EVAP
VSV or EVAP
Open or short in VSV circuit for vapor pressure sensor
VSV for vapor pressure sensor
Charcoal canister cracks, holed or damaged
ECM

Aug 23, 2013 | Cars & Trucks

1 Answer

My corolla 2001 the engine light is on test by computer show po446 problem


P0446 Evaporative Emission Control System Vent Control Malfunction
 Vacuum hose cracks, holed blocked, damaged or disconnected (1), (4), (5), (6) and (7)
 Open or short in vapor pressure sensor circuit
Vapor pressure sensor
 Open or short in VSV circuit for vapor pressure sensor
 VSV for pressure switching valve for vapor pressure sensor
 Charcoal canister cracked, hole or damaged
 Fuel tank over fill check valve cracked damaged
 ECM

Aug 30, 2011 | Toyota Corolla Cars & Trucks

1 Answer

I have codes po441,p0450 on my 1997 lexus es 300 can u help and where are they


P0441 = Evaporative Emission Control System Incorrect Purge Flow.
Trouble Area(s)
Open or short in VSV circuit for VAP.
Open or short in VSV circuit for vapor pressure sensor.
Open or short in vapor pressure sensor.
VSV for EVAP.
VSV for vapor pressure sensor.
Vapor pressure sensor.
Vacuum hose cracks, holed blocked, damaged or disconnected.
Charcoal canister cracked, holed or damaged.
P0450 = Evaporative Emission Control System Pressure Sensor Malfunction.
Trouble Area(s)
Open or short in vapor pressure sensor circuit.
Vapor pressure sensor.
ECM.

Jul 29, 2011 | Lexus ES 300 Cars & Trucks

2 Answers

Ford escort wagon 1997 code p1443 displayed. what does this indicate & where is the cannister? thank you.


P1443 - EVAP Control System / Vacuum System Purge Control Solenoid Or Purge Control Valve Fault. A fuel tank pressure change greater than minus (-) 7 inches of water in 30 seconds occurred with a purge (fuel vapor) flow at less than 0.02 pounds per minute.

Possible Causes:
  • Blocked fuel vapor hose between the EVAP canister purge valve and the FTP sensor.
  • Blocked fuel vapor hose between the EVAP canister purge valve and the engine intake manifold.
  • Blocked vacuum hose between the EVAP canister purge valve solenoid and the engine intake manifold.
  • EVAP canister purge valve stuck closed (mechanically).

  • Possible Solution:
    Check for blockages between the fuel tank, the EVAP canister purge valve, and the engine intake manifold. Check for obstructions in the EVAP canister purge valve diaphragm and ports.

    The canister is on the passengers side near the firewall if I recall correctly.

    Jan 18, 2011 | Ford Escort Cars & Trucks

    1 Answer

    Obd-2 code p1455


    DTC P1455 - Substantial Leak or Blockage in Evaporative Emission Control System

    The PCM monitors the complete EVAP control system for no purge flow, the presence of a large fuel vapor leak or multiple small fuel vapor leaks. The system failure occurs when no purge flow (attributed to fuel vapor blockages or restrictions), a large fuel vapor leak or multiple fuel vapor leaks are detected by the EVAP running loss monitor test with the engine running (but not at idle).

    Check this possible causes:
    After-market EVAP hardware (such as fuel filler cap) non-conforming to required specifications
    Disconnected or cracked fuel EVAP canister tube, EVAP canister purge outlet tube or EVAP return tube
    EVAP canister purge valve stuck closed
    Damaged EVAP canister
    Damaged or missing fuel filler cap
    Insufficient fuel filler cap installation
    Loose fuel vapor hose/tube connections to EVAP system components
    Blockages or restrictions in fuel vapor hoses/tubes (items also listed under disconnections or cracks)
    Fuel vapor control valve tube assembly or fuel vapor vent valve assembly blocked
    Canister vent (CV) solenoid stuck open
    Mechanically inoperative fuel tank pressure (FTP) sensor


    Check for audible vacuum noise or significant fuel odor in the engine compartment or near the EVAP canister and fuel tank

    Tell us news.

    Jul 19, 2010 | 1996 Ford Explorer

    1 Answer

    The vehicle check engine light is on 2002 Sportage. Emission inspection failure codes: P0440 - evaporative emission system, code P0446 - evapoative emission system vent control circuit. There is always a...


    My friend, raw gas - fuel vapors. Do you know that one gallon of gas will push a 4,000# block of steel about 20 miles?

    Please have your Kia dealer investigate and repair this discrepancy for you.

    Thanks for your question at FixYa.com

    Jan 09, 2010 | 2002 Kia Sportage

    2 Answers

    What is he code 455 for a 2006 hyundai sonata means


    CODE PO455 EVAPORATIVE EMISSION SYSTEM LARGE LEAK DETECTED.POSSIBLE CAUSES CANISTER VENT SOLENOID MAY BE STUCK IN OPEN POSITION / EVAP CANISTER TUBE EVAP CANISTER PURGE OUTLET TUBE OR EVAP RETURN TUBE DISCONNECTED OR CRACKED OR CANISTER IS DAMAGED / EVAP CANISTER PURGE VALVE STUCK CLOSED OR CANISTER DAMAGED / FUEL FILLER CAP MISSING LOOSE NOT TIGHT OR THE WRONG PART / FUEL VAPOR HOSES TUBES BLOCKED OR RESTRICED OR FUEL VAPOR CONTROL VALVE TUBE OR FUEL VAPOR VENT VALVE ASSEMBLY BLOCKED /FUEL TANK PRESSURE SENSOR HAS FAILED MECHANICAL FAULT /FUEL TANK CONTROL VALVE IS CONTAMINATED DAMAGED OR HAS FAILED.

    Oct 21, 2009 | 2006 Hyundai Sonata

    1 Answer

    Im getting a P0441 EVAP emission control system purge flow fault code on my 2002 dodge neon


    Here is what I could find for your code error as potential causes:
    After market parts and accessories nonconforming to the EVAP system specifications.
    Damaged, missing or improperly installed fuel filler cap.
    Blockage in fuel vapor hoses/tubes (EVAP canister tube, EVAP canister purge outlet tube or EVAP return tube) in EVAP system.
    Disconnected or cracked fuel vapor hoses/tubes in EVAP system.
    EVAP canister purge valve stuck closed.
    Canister vent (CV) solenoid stuck open.
    Fuel tank pressure (FTP) sensor malfunction.
    EVAP canister leaking.
    Fuel vapor control valve tube assembly blocked.
    Fuel vapor vent valve assembly blocked.

    Obviously the gas cap would be the easiest and cheapest thing to fix.  Just make sure it is put on correctly and tight.  If it is not that, I would have to suggest to take it to a mechanic because the other problems on that list are not really DIY material.  Hopefully it is the gas cap and you can take care of it yourself.  Good luck.

    May 17, 2009 | 2002 Dodge Neon

    1 Answer

    Code 0440


    P0440 onepx.gif EVAP Control System Malfunction onepx.gif onepx.gif onepx.gif onepx.gif onepx.gif onepx.gif onepx.gif onepx.gif Possible Causes onepx.gif Setting Conditions onepx.gif onepx.gif onepx.gif onepx.gif
    • Charcoal canister is clogged, loaded with fuel or with moisture
    • Fuel filler cap missing, loose (not tightened) or the wrong part
    • Fuel tank over-fill check valve cracked or damaged
    • Fuel tank seal leaking, fuel tank cracked or damaged/leaking
    • Fuel vapor hoses/tubes blocked or restricted, or fuel vapor control valve tube or fuel vapor vent valve assembly blocked
    • Vacuum hose or tubing cracked, damaged or disconnected
    • Vapor Pressure sensor incorrectly installed
    • PCM has failed
    onepx.gif Engine started cold (ECT sensor signal less 86�F), engine runtime over 20 minutes in closed loop, vehicle driven to a speed of 55-60 mph, and the PCM detected the fuel tank pressure indicated the same value as the atmospheric pressure in the EVAP Monitor test.
    This code sets in 2 Trip(s).First I would try making sure the gas cap is tight. You need to give it 2 trips before it may reset. The other choice would be to replace it, Cheaper than spending money on a professional.

    Jan 25, 2009 | 2002 Lexus IS 300

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