Hi.
My car S70 2.5T LPT with RICA 235 remap has sddenly developed a very intermittent fault. Without any warning the idle speed suddenly drops to about 600rpm and then surges up and settles back down. It does this a couple of times and then it's ok. It starts up and drives fine otherwise.
Mine is the earlier version without the ETM.
Any advice welcome.
Thanks.
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Thread: Idle speed suddenly dropping.
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Sunday 17th July 2011, 13:05 #1Senior Member
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Thanked 10 Times in 10 PostsIdle speed suddenly dropping.
1997 Volvo S70 2.5T CD. RICA 235 remap. Volvo front strut brace. Late C70 clear headlights, indicators and grille. HID bulb upgrade. Columba 16" wheels.
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Sunday 24th July 2011, 18:44 #2Senior Member
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Thanked 10 Times in 10 PostsBlatant bump!
Has anyone else experienced this?1997 Volvo S70 2.5T CD. RICA 235 remap. Volvo front strut brace. Late C70 clear headlights, indicators and grille. HID bulb upgrade. Columba 16" wheels.
Never be afraid to try something new.
Remember this:
Amateurs..............built the Ark!
Professionals........built the Titanic!
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Sunday 24th July 2011, 18:53 #3Senior Member
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Me don't no what it is does it randomly sum times a few blips of the accelerator peddle helps it go away
Cars
2001 C70 2.0lpt Silver 163bhp
2005 S60 D5 SE Black 163bhp - Dyno'd 191.8Bhp 290 FTH
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Sunday 24th July 2011, 22:11 #4Senior Member
Needs more boost
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Thanked 518 Times in 404 Postsmine also does/did this......
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Sunday 24th July 2011, 23:06 #5Senior Member
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Thanked 7,752 Times in 5,648 PostsMine does it sometimes, I'd be sat at the lights and the revs drop and then come back up, as if it's just engaged the clutch on a very big AC pump.
Dirty throttle?19t, greens, 3" inlet, 3" downpipe with race cat, V70R catback, autotech map...
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Got an old discovery now.
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Saturday 20th August 2011, 14:40 #6Member
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Thanked 3 Times in 3 PostsI'm having a slightly similar problem. When I'm on overrun at slow speeds, less than 30mph, I can feel engine braking going on and off as if the throttle is being pressed. It's a bit of a pain when you're in town traffic.
'98 V70 T5, 17" Mega Panteras, 225 45 Eagle F1 Assymetric 3, Eibach Pros, Bilstein B6s, Strut brace, Ramair cone filter, All polys, No badges except T5.
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