Question about 1995 Mazda Protege

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Possibly holes in rubber tubes under hood or even gas cap

I had to duct tape the rubber tubes connected to engine to keep air from escaping and recently replaced the gas cap. Both of these tasks had caused the car to **** while driving. The holes in the rubber tubes caused it to decelerate as well no matter how I tried to get the car to accelerate. Hope this helps.

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1 Answer

Why would the storage tank boiling over ?


The vehicle's cooling system is a closed system but when the coolant gets hotter, it expands and needs to get out. And then it needs to go back into the cooling system when the engine cools down.
This happens at the radiator cap on the top of the radiator. Under the cap is a spring loaded stopper that presses against the opening to the radiator. The rim of the cap also seals tightly against the top of the radiator opening collar.
When the engine heats up, pressure inside pushes the spring loaded stopper up and coolant escapes. It gets past the stopper but cant get past the rim of the cap. There's a rubber tube that is connected to the collar and the other end of the tube goes to the bottom of the storage tank.
In order for the system to work properly, the radiator must not only be able to release extra pressure. It must also be able to suck the coolant that has escaped back in through the same tube.
If the tube has a hole in it somewhere, the coolant will still get out ok when the engine heats up but when the engine cools down again, instead of sucking the coolant back out of the storage tank, it will suck air through the hole in the tube. You need to replace the tube and make sure the new one is properly sealed to the nipple on the side of the radiator collar and to the nipple on the storage tank.

Mar 17, 2015 | Cars & Trucks

Tip

Cheap coolant overflow cap


Contaminated coolant contributes to engine damage by clogging up the radiator, reducing efficiency of the coolant to remove engine heat. an uncapped overflow tank is a route for debris and contaminents to enter your cooling system and if ignored, circulate crud thoughout the system and clog your radiator. So if you have lost your coolant cap,(which is easy to do) dont just say "oh, well" there is a temporary fix that will keep your coolant clean until you can get to an auto parts store and replace your cap with the proper cap. all you will need is a plastic bottle, or container cap and some electric tape, or, yes, even duct tape. eyeball the approximate inside diameter of the radiator overflow tank fill hole. place the bottle cap over the fill hole, but dont let go of the cap. if the cap is smaller than the hole wrap electrical, or duct tape around the cap a few times and replace bottle cap over the fill hole. the cap should fit snug in the fill hole. make sure you dont press cap into the fill hole too deep that you cant pull it out with your fingers. if you do you can pull it out with needle nose pliers. this will keep your coolant clean until you can get to an auto parts store and replace the cap with a proper cap.

on Dec 28, 2010 | Dodge Ram 1500 Cars & Trucks

1 Answer

Check engine light on my Ford escape.


I would say, check the plug of the EGR. Check for holes in the gas filler tube, top of the tank or in the vacuum lines that run to the purge canister. You can also check for information on the purge solenoid.
A bad gas cap can cause this too.

Jan 28, 2015 | 2008 Ford Escape

1 Answer

Ihave dodge caravan sport 2001 and ihave this code in my car-p0442 how i fixed ?


This indicates a fuel vapor leak in the EVAP control system. It means a very small leak has been detected. .The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine.

A code P0442 most likely means one or more of the following has happened:
  • A loose or improperly affixed gas cap
  • A non-conforming gas cap (i.e. not factory/original brand)
  • A small leak/hole in a fuel vapor hose/tube
  • Other small leak in EVAP system
  • Faulty vent o-ring seal

With a P0442, the most common repair is to:
  • Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.
  • Otherwise, replace the gas cap, or
  • Inspect the EVAP system for cuts/holes in tubes/hoses
Few places to check - rubber hose under air box (requires removing the air box) and hoses connecting to EVAP system under the van on the drivers side.

Jan 12, 2011 | 2001 Dodge Caravan

1 Answer

My check engine light came on and it is a p0442 EVAP SYS, small leak


Evaporative Emission Control System Leak Detected (small leak)
This indicates a fuel vapor leak in the EVAP control system. It means a very small leak has been detected. In fact, the leak can be from a hole as small as 0.04" in diameter. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine.

Causes: A code P0442 most likely means one or more of the following has happened:
* A loose or improperly affixed gas cap
* A non-conforming gas cap (i.e. not factory/original brand)
* A small leak/hole in a fuel vapor hose/tube
* Other small leak in EVAP system
* Faulty vent o-ring seal

Possible Solutions: With a P0442, the most common repair is to:
* Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.
* Otherwise, replace the gas cap, or
* Inspect the EVAP system for cuts/holes in tubes/hoses


Keep us updated.

Dec 13, 2010 | 2004 Saturn VUE

1 Answer

How to replace heater mcore in 1988 crown vic


Instructions Things You'll Need:
  • Wrench
  • Container
  • 3/8-inch hose
  • Rubber plugs
  • Screwdriver
  • Water
  • Engine coolant
    Removal - Exterior
  1. 1

    Disconnect the car's negative battery cable.

  2. 2

    Open the coolant tank cap in the engine, then place a large container under the radiator's lower corner. Stick a 3/8-inch diameter hose on the drain fitting in the corner, and loosen the fitting with a wrench to drain the coolant. Repeat for the engine block drain plugs.

  3. 3

    Squeeze the hose clamps on the heater core tubes ad slide them off, then disconnect the tubes and plug them with rubber.

  4. 4

    Unscrew and remove the three nuts below the windshield wiper's motor on the firewall with your wrench, followed by the one nut on the evaporator case's upper left corner.

  5. 5

    Disconnect the vacuum hoses from the car's vacuum source, then push the supply hose and its grommet into the passenger compartment.

  6. Removal - Interior
  7. 1

    Remove the instrument panel trim moldings, the left and right instrument panel insulators, the steering column covers, the door sill plates and the defroster grille. Use a screwdriver on the screws, and pry off the panels with a trim stick where needed.

  8. 2

    Disconnect the shift indicator cable from within the steering column, then remove the reinforcement brace from underneath the column. With the front wheels pointing forward, remove the steering column's retaining nuts with a wrench, and lower the column.

  9. 3

    Open the glove compartment and lower it by depressing the tabs.

  10. 4

    Remove all the retaining bolts for the instrument panel with your wrench; these will be behind the removed trim panels and within the defroster ducts and glove compartment.

  11. 5

    Pull the instrument panel back as far as you can without disconnecting the wires behind it.

  12. 6

    Remove the cross-body brace. Disconnect the temperature blend door actuator's wiring harness, followed by the temperature control sensor tube at the evaporator case connector.

  13. 7

    Disconnect the jumper harness at the vacuum connector near the floor air duct, followed by the vacuum hose at the outside-recirculating door vacuum motor. Remove the plastic push fastener and the left screw for the air duct, loosen the right screw with the screwdriver and remove the air duct.

  14. 8

    Unscrew the two nuts along the plenum's lower edge with a wrench, then move the plenum rearward until the heater tubes and the top stud clear the holes in the dash panel.

  15. 9

    Rotate the plenum's top end forward, down and out of the instrument panel, then pull the panel's lower edge to the rear while you roll the plenum out from behind the panel.

  16. 10

    Unscrew and remove the heater core cover using a screwdriver, then pull the heater core and its seal out of the plenum assembly.

  17. Installation
  18. 1

    Install the new heater core with its seal into the plenum assembly, then close and screw the heater core cover in place.

  19. 2

    Route the vacuum supply hose back through the dash panel, and seat its grommet within the opening.

  20. 3

    Place the plenum under the instrument panel with its register duct open and its heater tubes pointing downward. Rotate the plenum upward and behind the instrument panel, then position it to the dash panel.

  21. 4

    Connect the heater core tubes and their mounting studs through their holes in the dash panel and the evaporator case.

  22. 5

    Re-install the air duct, then connect and tighten all its mounting nuts and screws using your wrench and screwdriver.

  23. 6

    Reconnect all wiring harnesses, tubes and hoses to the vacuum motor, the air distribution duct and the temperature control system, then reconnect the cross-body brace.

  24. 7

    Connect the instrument panel in place followed by all the dash trim panels in the reverse order of removal.

  25. 8

    Reconnect all hoses, nuts and tubes in the engine compartment--this includes the plenum's nuts on the firewall, the vacuum supply hoses to the vacuum source and the heater core tubes.

  26. 9

    Refill the cooling system with fresh coolant--half water and half antifreeze--at the radiator filler neck.

Oct 25, 2010 | 1988 Ford Crown Victoria

2 Answers

Check engine light on says check gas cap. Is it the cap or a sensor?


The evaporative emissions system uses a vaccuum pump to check the fuel system to make sure that fuel vapors cannot escape into the atmosphere. If you leave fuel cap loose the computer will detect it and set a computer code and turn on the check engine light. If the cap is tight and the light still comes on, you may have other problems. Hopefully your vehicle is still under warranty, as evaporative emission system leaks can be very difficult to locate and repair, even for the dealership mechanics.

Aug 28, 2009 | Chevrolet Cobalt Cars & Trucks

2 Answers

2000 Buick Century . Blower motor works but no air comes out of the vents. I move the controls to all settings and nothing changes. ir only comes in while on the highway, but very small amount.


The louvers inside your vents are powered by a vacuum (?) that comes through a small rubber tube under your hood. I had to do some intensive googling to find this out. Usually what happens is that you change your battery, and accidentally pinch the rubber tube. If you're lucky, the mechanic will believe you before they start replacing parts. Maybe you can even find it yourself!

Jul 12, 2009 | 2000 Buick Century

1 Answer

The air conditioner it is no working, what can I do? How can I fix this?


The AC will not function if there is no freon in the system. Raise th hood, and locate a grey cap on a silver aluminum line. Unscrew the cap. You will see a small valve, like on a tire. Using a sharp instrument, like a nail, press on the center of the valve, slightly, and see if any gas pressure escapes. Please do not have your face over the valve, you could get the pressure in your eyes, use suitable eye protection. If no gas escapes, you either have a hole in the condensor, or a leaking o-ring on the tubing.

Feb 21, 2009 | 2004 Toyota Solara

1 Answer

Surges while driving


Hi there!
  Check the large rubber tube going from the air filter to the throttle body. I had one of these that would do the same thing, and this was the problem. The "Air horn" (dealer calls it this..) has a section on it that will crack and the crack will only open when the engine moves a bit (like under acceleration for example) when the crack opens up , it lets more air in than the Mass air flow sensor knows about, causing the engine to bog down..this is why when you "feather" the gas, it wont do it, because the engine isnt jerking and opening the crack...Remove the big rubber tube and flex it back and forth while looking for cracks. You can repair them with gasket maker,and some electrical tape -- but the best bet is to just replace the tube.

Jan 12, 2009 | 1991 Toyota Camry

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