Question about BMW 750

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My 95 bmw 750 il just iddle, engine does not accelerate, just 500 rpm steady, is that a problem with the computer?

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Scan for codes may be tps
trottle position sensor
ecm gets signal from tps

Posted on Apr 02, 2011

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Where is the starter located on 1a 1990 750 il bmw


It is probably tucked away under the engine facing forward next to the gear box. See from under the car.

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My 2003 hyundai tiburon 2L iddles at a steady 4000 rpm and wont iddle down. How do I fix this??


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95 gmc sierra won't hold steady rpm


Sounds like wiring problems with the engine harness.
The oil pressure not working could cause the hard starting problem.
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I would start with the check engine light and find out what the codes are.

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Where is ths knock sensor bank1 located on a 1999 bmw 750 il


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Drive cycle


Here is the OBD2 emission system drive cycle test procedure.
Engine coolant temp must be below 70c (158f) before starting the engine for either the first or second trip
The fuel level should be less than 1/2 full
First trip:
Start engine, idle for at least 1.5 minutes
Drive 3 minutes, hold b/f schdl: 1.5-2.0 msec, selector lever "3rd" eng rpm 1,800-2,000 A/C switch:ON Hold the recommended b/f schdl range. Allow road speed to vary as necessary.
Drive at 55-65 mph for 1.5 min b/f schdl 2.0-3.2 msec, selector lever "5th" Engine rpm 2,200-3,000
IGN "off" for at least 10 seconds (not more than 5 min)
Dive at 50-60 mph for 3 minutes Selector lever "4th" keep engine speed above 3,000 rpm Allow speed to vary if necessary. Do not decelerate for more than 3 consecutive seconds. A/C switch ON.
Drive at a steady state cruise of 53-58mhp b/f schdl more than 1.8 msec selector lever "5th" eng rpm 2,400-2,600
Downshift to "4th" and decel more than 5 seconds without breaking, then idle for 1 minute.
Drive two minutes b/f schdl less than 2.0 msec Accelerate to 41 mph, decelerate to 34 mph, accelerate to 41mph. Do not completely release the accelerator. A/C switch off.
Idle 1 minute in park or neutral
Drive two minutes Steady state cruise at 31-44 mph. Selector lever "4th" A/C switch OFF. Hold the accelerator pedal as steady as possible. Allow speed to change if necessary.
End of first trip. Turn the key off the begin the second trip.
Second trip:
Start engine, idle for at least 1.5 minutes
Drive 3 minutes, hold b/f schdl: 1.5-2.0 msec, selector lever "3rd" eng rpm 1,800-2,000 A/C switch:ON Hold the recommended b/f schdl range. Allow road speed to vary as necessary.
Drive at 55-65 mph for 1.5 min b/f schdl 2.0-3.2 msec, selector lever "5th" Engine rpm 2,200-3,000
IGN "off" add four gallons of fuel
Dive at 50-60 mph for 3 minutes Selector lever "4th" keep engine speed above 3,000 rpm Allow speed to vary if necessary. Do not decelerate for more than 3 consecutive seconds. A/C switch ON.
Drive at a steady state cruise of 53-58mhp b/f schdl more than 1.8 msec selector lever "5th" eng rpm 2,400-2,600
Downshift to "4th" and decel more than 5 seconds without breaking, then idle for 1 minute.
Drive two minutes b/f schdl less than 2.0 msec Accelerate to 41 mph, decelerate to 34 mph, accelerate to 41mph. Do not completely release the accelerator. A/C switch off.
Idle 1 minute in park or neutral
Drive two minutes Steady state cruise at 31-44 mph. Selector lever "4th" A/C switch OFF. Hold the accelerator pedal as steady as possible. Allow speed to change if necessary. I especially like the part where they want you to add four gallons of fuel. Not three gallons, not five gallons, four gallons. Gotta love those Nissan engineers. ...and of course they state that if the trace is not followed exactly (i.e. you botch the acceleration/deceleration) you have to start all over again from scratch

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The RPM hand rams up and down when starting the car in the morning and while driving. It causes the vehicle to accelerate and decelerate. Sometimes it rams up to 4 and stays there when first starting the...


it looks like your IAC (iddle air control) is failing you could try removing and cleaning it with carb cleaner to get the dirt out that is clogging it. or you could buy a new one. That valve make that the car iddling even without oscillations.

Jun 23, 2011 | 2004 Suzuki Verona

1 Answer

Under steady acceleration, engine light goes on


Being a 95 it dosent have OBD2 so it may not store a trouble code in the computer.
From the symptoms it sounds like either, Air flow sensor, O2 sensor
The O2 will not usually cause stalling under acceleration.

Sep 30, 2009 | 1995 Mazda 626

1 Answer

My 1990 toyota 4 Runner has a v low rpm while in


on the cable of the accelerator,there is an adjuster to its an,so you can adjust it here to rev it a little ,at 750 rpm,

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1 Answer

Fast iddle speed when engine is cold.


This is acting normally then...

I guess it really depends on how cold it gets outside as well as how high the RPM's go...
If your RPM's are above 3500 RPM's then I do suspect something is wrong, and further
info is needed...

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