Question about 1996 Mercury Villager
Will it idle ok? When it warms up, does it run ok? Sounds like a couplf likely things.
The fuel pumpcould be getting wea and not supplying enough pressure (40 psi) to the fuel injectors. Pump is in tank. About a $200 repair.
The fuel misture could be too lean due to a thin coating of varnish on the MAF sensor (mass air flow). It is on the black air cleaner tube held in with 2 anti tamper screws. Remove it and cean the wires with carb cleaner and a tooth brush very gently so you don't damage the delicate wires. I think you can get access by removing the air cleaner intake hose it is mounte on. About 3 inches x 4 inches. Also, clean the honeycomb air diffuser inside the air cleaner tube.
Other possibilities are dirty injectors, or other bad sensors. Need more info on how this started happening, how does it run warm, and if the comuter has fault codes. Your local auto parts store might run the computer test with their scan tool for free. Ask them.
Do not buy a knock sensor since they are never bad but the test sometimes says it is.
good luck. let us know what happens.
Posted on Jan 08, 2009
Chances are the tire has "stuck" itself to the bottom of the frame of the vehicle. This happens when a new tire comes into contact with a clean metal surface and remains there under pressure for a period of time.
If you've unscrewed the holder, and can see that the mechanism is loose from the tire, then use your foot or a 2 x 4 or pipe or something and try to wedge/lever against the tire to break it loose. Make sure you arm, leg, foot, or had is not under the tire as it will likely fall to the ground, and those things are heavy.
Posted on Jan 23, 2009
When you ran it out of gas you may have ruined the fuel pump. They are very touchy. you can check it by having someone listen under the car by the fuel tank and you turn the key to the on position, be sure not to try and start it. When you turn the key to the on position you should hear the pump prime its self. If you dont the pump is bad if you do then you might look into the fuel filter it may have gotten clogged when it ran out of gas.
Posted on Jun 06, 2009
Here is the common cause of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.
Posted on Jun 22, 2009
I would definitely consider the fuel pump. I had long turnover times before starting for years, but even worse was in hot weather it would just stall while driving. Sometimes it would only idle, but not run if you pressed the gas very far. Park it for 20-30 minutes and it would run again without another problem for weeks. Dealers and mechanics kept replacing other things like ignition coils and distributors. After a conversation where someone said they had the same problem, but only when they had less than half a tank of fuel, I knew it was the pump. I replaced it myself and all problems went away.
The fuel leaks back down to the tank and air gets in the lines. Then the pump is slow to build pressure up again. If you turn the key on, but not start, wait 45 seconds, off, on again but not start, wait again, now start it will take a little less time to start, less battery drain, until you fix the problem.
You may not have the heat problem in Canada. But here in Georgia it gets hot enough that if the fuel tank is low and the pump has this problem, it will overheat and shut down till it cools. A full tank helps it keep the pressure up and serves to cool the pump.
Posted on Jul 10, 2009
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Posted on Jan 02, 2017
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