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Where is the radio suppression relay?

Where is the radio suppression relay in a 1995 volvo 460?(website didn`t accept 460) I have hot-starting problems + read that this relay is a probable cause but can`t find it

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My 89 volvo 740 has a bad miss and loss of power that comes and goes if i can get the rpm,s up past 2500 to 3000 i can get it to go but if i get on a hill forget it its four ways and 10 to 15 mph it...


Hi have you checked your Fuel Pump Relay and yor Injector(Radio Suppression Relay are operating correctly the are known to start failing on high mileage 740's

Jan 11, 2013 | 1989 Volvo 240

1 Answer

1987 volvo 760 turbo 2.3 fuel injectors not working when srarting?


The fuel injector on your vehicle not starting, When you turn the key on with the ignition on one side of the injector is ignition(+) the other side is controled by the ECM by grounding it.You vehicle is know as LH fuel system so start as the MAF (known as a mass air meter) you also have a thermo time switch. There is also a relay that controls the operating of the injector this is the suppression relay disconnect and reconnect this relay see if this will help you2_26_2012_7_32_53_pm.gif

Feb 26, 2012 | 1987 Volvo 760

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Car will start and work fine,when the car is turned off it does not start for a couple of hours. then it starts again and so on any ideas?


Does your car just not turn on right after you get down driving or do you allow it to cool first before you drive it again. if it's the latter of the 2 then i have a solution for you.
If your car fails to start until after it has cooled down, the three items to check are the RPM SENSOR, RADIO SUPPRESSION RELAY, and fuel injection relay solder points. *Try the fuel injection relay. Find the relay in your center console relay bank and tap it to see if this restores fuel flow (starting immediately). When you're cranking the engine and it won't start, is the tachometer needle moving a little? If not, as mine didn't, I believe you want to check into the RPM sensor. Check the RPM sensor located on the back of your engine, connected to the bell housing. The wire runs up the back of the engine compartment towards the drivers side. Look for the part number on the wire and check if the part number ends with 399. This rpm sensor has a heat related problem: common for it to cause a no- start but able to start a little while later. Since I replaced mine for about 30$ I haven't had the problem. The third common cause of no-hot-restart conditions is failure of the radio suppression relay. This relay is usually mounted beneath the coolant expansion tank and may be next to the identical coolant fan relay. You can often test it by swapping leads with the coolant fan relay, but only if the latter is working. This may not be the case in cooler regions where it is not frequently used. Hopefully this will help you :)

Sep 17, 2010 | 1992 Volvo 740

1 Answer

Radio won't accept code that was working before battery died.


Radio won't accept code that was working before battery died.

Jun 03, 2009 | 1995 Volvo 850

2 Answers

Volvo radio doesn't accept its own code


With a good battery in the car turn the ignition key to Position I. Do not put the key in position II. Make sure "OFF" is displayed. Let the car sit with the key in position I for about two hours. "CODE" will appear in the display. Enter your code.

Jun 03, 2009 | 1995 Volvo 850

1 Answer

VOLVO STALLING


the firsrst thing to check is a FUEL-VAPOR LOCK and evap system esp[ecially the fuel cap and running the A/C can cause relays to get hot and check fuel pump relay and filther and last fuel pressure

Apr 28, 2009 | 1995 Volvo 960

1 Answer

Volvo 740(1990) i replaced my coil and change the battery, it started, then went 50 yards the it died and now it just turns over, but won`t start, is there anything else it could be? thanks


Many things can cause this on your 740. Fuel pump, fuel pump relay, rpm sensor, MAF sensor, radio suppression relay. I've never seen the coil fail on these era Volvo's, ever. And I've diagnosed at least 50 of these with stalling problems. Check the codes, and when it wont start, check for spark and fuel pressure, you're likely missing one of them.

Feb 25, 2009 | 1990 Volvo 740

1 Answer

What does 4-1-2 code mean for volvo-460 1995 engine


its a diagnostic code, not sure of the exact meaning though. your best bet would be to try a volvo owners club or try volvo themselves. sorry cant help you any more.

Dec 18, 2008 | 1995 Volvo 960

2 Answers

1988 volvo 740 problems


Here is what I found was the problem with my 1988 740 GLE Wagon.
Remove the phillips screw that holds the cigarette lighter in place. Now remove the ash tray. Next, pull the storage tray and cigarette lighter assembly and lay to the side.
You will see two trays, one with the fuses and one with the relays. The one you want to look at is the relay tray.
On the far left side of the tray and the 2nd relay from the back is the relay that engages the ignition when you turn the key to the start/ Run position.
It is very likely that is simply a bad connection where the relay pprongs plug into the socket in the relay tray.
wiggle and pull up on the relay assembly until it comes out of the tray.
Now just tweek the prongs slightly on the relay so they will make a firmer contact in the socket.
Now put the relay back in the same position it was in originally. Pull it back out and put it back in a couple of times to clean any corrosion oin the contact prongs.
Try to start the car now. This will probably correct the problem.
If not you may have to replace the relay because it may be defective.

Jun 16, 2008 | 1988 Volvo 740

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