Question about 1989 Volvo 760

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1989 Volvo 760 turbo problems

My 1989 Volvo 760 turns on sometimes right away and sometimes it doesn't it takes a while or i have to leave the key turned all the way until it turns on and when it turns on it idles ok and then it idles up and down and then settles and then it does it again, but it never stays stable it always idles. It seems like it is getting air but we checked all hoses and they are good. We changed spark plugs, fuel hose, distribuator cap, spark plug cables, and ignition rotor already. Nothing changed it still happens. Can it be a sensor? Also, it shifts good from 1st gear to 2nd, but from 2nd to 3rd it takes a bit too long I have to let go of the accelerator so it can shift. I've noticed when i accelerate fast and go fast when it come to shift from 2nd to 3rd it tries to shift but it cant until like the third or fourth try it shifts.

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  • Anonymous Mar 23, 2009

    My 89 760 turbo cranks up and runs for a minute then stalls out, once I get it going for a while it runs great. When you stop it wants to stall.

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  • 91 Answers

You need an impulse sender that is located in the distributor. It is easier to get a used one from a wrecking yard and install the whole distributor. Am I right in assuming your rpm gauge is fluctuating up and down rapidly?
On your transmission problem, you can try cleaning the overdrive solenoid located on the back of the bell housing near the main linkage. Sometimes that helps with the delayed shifting problems.

Posted on Apr 13, 2009

4 Suggested Answers

onyeredson
  • 404 Answers

SOURCE: 1989 Vovvo 760 GLE Starting problem

Hello, The fault you are briefly describing possibly relates to the fuel relay located above the fuse board behind your ashtray behind sound system.
Good Luck! come back to me if not sorted, press the Blue if you are! Thank You,
Paul 'W' U.K.

Posted on Feb 05, 2009

Outofworkjoe
  • 216 Answers

SOURCE: 1989 volvo 740 turbo no start problem car will

Try replacing your fuel pump relay,

Posted on Jun 21, 2009

jimboz4
  • 305 Answers

SOURCE: what is the firing order for a 1989 volvo 760

1...3...4...2..
from front to back...hope this helps

Posted on Jul 30, 2009

emissionwiz
  • 60867 Answers

SOURCE: what is the firing order for a 1988 volvo 760

go to link below for info with picture

http://autorepair.about.com/library/firing_orders/bl-fo-11565.htm

Posted on Aug 10, 2009

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