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Re: 1985 Volvo 240 SW - no click, no lights, no start
What do you mean by nothing /do you have head lights /does it crank at all/does it click /if nothing and its a auto trans pull the cover off the shifter and see if the plastic pointer move with the shifter /if not move it to in and see if it starts
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ok you must see what is missing. an injector requires 12volts to operate. the 12+ should be constant when key on and engine on or off,and the ground pulses. check both ways and see whats not there. if you have no pulse then ecm,cam sensor, or wiring faulty. is power+ is gone, then you have wiring trouble wich is the easier soulution. check and let us know
Yes it is the reverse light switch which is hooked up to your gearbox which needs to be replaced. Also it could be the plug going into this switch is a bit dirty or thorn (due to engine temperature and time wear) which in that case means that it needs to be fixed before replacing the switch.
Checking its actually the swtich so you don't buy it for nothing :)
Just to make sure that the circuitry is ok. Go to the gearbox (if it is front wheel drive transverse engine you wont need to go underneath) check where the gearbox and linkages are close to the revers there should be a switch n plug hooked up to it. Unplug it put in a piece of wire to short circuit both wires. Then turn the ignnition key on and if your circuitry is fine the lights should go on :) This means that its the switch for sure :) I hope that this helped your problem :)
Had the exact same problem with my 240 wagon. There is a temperature sensor up near the manifold on the drivers side of the engine. This is not the temp sensor that feeds the dash gauge, but one that tells the engine control module whether you are starting hot or cold. Mine was cracked, so the engine computer would get a cold start signal even after the engine ran warm, and would flood. This can be a difficult problem to diagnose and an expensive one when mechanics start swapping parts.
You cannot see this sensor, but you can feel it (when the block is cold, please) right under the exhaust manifiold. A replacement is about $80 plus labor. Even my very experienced Volvo mechanic overlooked it. But the car would start and run fine, then leave me stuck when I tried to restart it. After calling AAA for a tow, the temp sensor would reset, then the car would start normally.
Cheers. The 240 is a great car - I ran mine up to 235,000 miles; now I have a 740 with the same engine.
NOPE, THEY SHOULD FILL UP WITH THE PUMP AUTOMATIC.
MMM. PUT THE SWITCH ON " NOT ALL THE WAY TO START " JUST WHEN THE DASH LIGHTS COME ON, WAIT A MINUTE WHILE THE PUMP FILL THE LINES, DO THIS TWO OR THREE TIMES AND THEN START IT AND SEE IF THIS WORKS. IF NOT LET ME KNOW