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> 85 Volvo 740 Gle, Idles, but dies under load
kahuna
post Jul 19 2005, 12:14 AM
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Location: Whidbey Island, WA, USA
Drives: 1985 Volvo 740 GLE
I have an 85 740 w/AT. It will idle, but when I step on the accelerator, it dies.
It will rev up, if I go very slowly.

I replaced both fuel pumps, and filters, plugs & wires, and still no change.
Any ideas on what to check next?
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Ollieboy
post Aug 5 2005, 10:16 PM
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Drives: '86 740 GLE
I'll save Tech a post here :grin: and suggest that you find the idle motor and clean it, as well as the throttle body. Did mine after similar symptoms, and greatly improved. If it persists, check your manual and test the throttle position sensor, and if you haven't already, replace the air filter. Looks like you've done some other key "first things". Good luck Oh-you might want to check your timing as well, and inspect cap/rotor. :thumbsup:
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Tech
post Aug 5 2005, 10:23 PM
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You can also try to unplug the mass flow sensor and see if it runs a little better.
If it does then the mass flow is bad.

Sometimes the mass flow act the opposite way when bad.It won't start.Then unplug the mass flow and if it starts it is bad.
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