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1994 Ford Crown Victoria Questions & Answers
It have a 1994 crown victoria it ran out of gas I
Air in the fuel line. Take one small wire off the starter relay and turn and hold the key in the start position for a while. Listen for the fuel pump. It will run fast for a second then slow down. When it does, put the wire back on the starter relay and crank the engine.
Negative voltage at tail lights
Thanks Syntax Error for letting us know you figured out the wiring harness was wired incorrectly. It is always a good idea to look up the color wiring standard for the socket and to check the pin positions and what functions .
Sometimes trailers can be wired incorrectly also ?
I wired the licence plate bulb to my brown wire by mistake and this is the brake wire . Took a while for me to figure that one out !
1994 crown victoria engine races
Problem with idle speed. The idle is controlled by the pcm (engine computer) through the operation of the Idle Air Control valve or motor. But several other sensors are also at work, like the throttle position sensor, the coolant temperature sensor, the MAP sensor or the Mass Air Flow sensor. The computer monitors all engine conditions to optimize performance and driveability-this includes keeping idle speed correct.
Would probably help you if you could see what all those sensors are telling the pcm-so you need a scanner capable of giving live stream data. And don't forget, your '94 is OBD-1, not OBD-II like all cars since 1996 on have. A garage should have such capable scanners, but they are kind of high end, not your typical cheap code scanner.
Blue smoke coming from tailpipe
If it is only occurring at start-up, you may only have some leaky valve seals. This is a problem that can wait a while for repairs, until other internal engine work is needed. Just watch the oil level. If it is a constant thing, and you are seeing a relatively unusual oil consumption, then you are most likely seeing oil burning from worn piston rings and/or cylinder walls. If it gets bad enough, an engine rebuild is in order.
Does stop smoke really work for engine
It might, for a while. Unfortunately, these are temporary measures that are not repairs, but are cover-ups for the more serious issue that hasn't been addressed. In some cases, these products can actually do more harm than good, as they are designed to plug up leaks from small gaps. Sometimes they plug the wrong gaps and cause other problems. The real solution is to properly repair the problem. If that is not feasible or you are trying to nurse a dying horse a short while longer, than weight the benefits versus the risks and roll the dice, and hope for a good result. I, personally, would not use such products in my own vehicles.
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