Question about 2007 Ford Crown Victoria LX Sedan

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Idle at low rpm

4.6 L eng. will not idle at low rpm

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  • mikemcc Aug 25, 2008

    4.6 L eng. will not idle at low rpm

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1 Answer

You need to do engine tunning

Posted on Sep 24, 2008

5 Suggested Answers

  • 14036 Answers

SOURCE: running roug at low idle, smooths out at 2500 rpms

change plug and wire if its been a while most cars have 90000 miles platinum plugs in them.but the wires wear before plugs.so change plugs and wires.+clean fuel injectors .change fuel filter and air filter.if car still run rough your idling to low.have idling check .

Posted on Jun 06, 2009

  • 1 Answer

SOURCE: hummer h2 idle rpm too low

I can't solve the problem but was hoping you found the answer. I have a 2003 Hummer H2 and I am having the same problems if started in park or Neutral it will idle fine but if I put it in drive or reverse it will not idle

Did you find the solution and if so could you email me the fix.

tdunham@drainageplus.com

Thanks,

Troy

Posted on Jul 30, 2009

  • 248 Answers

SOURCE: idle rpm too low

are you reading your rpms right....5-6000 rpms should equal 70- 85 mph....that is certainly not idle speed....invest 20bucks in a Haynes manual----it is good reading

Posted on Mar 01, 2010

alicantecoli
  • 21949 Answers

SOURCE: Engine idle problem. Range Rover 4.6 HSE 1998 Have

sorry but you have tried everything i would have done except that i would have checked the engine breather pipes for deterioation like perished or soft and collapsing .you would be surprised how often this is the main cause of this sort of problem

Posted on Aug 21, 2010

  • 1 Answer

SOURCE: 2002 chrysler concorde lx low idle

with a 2002 Concord 3.5 V-6, what should the rpm be at 60mph? 70 mph?

I'm not sure if the overdrive gear is lost in the tranny, but the transmission light is on.

Thanks

Posted on Mar 29, 2011

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1 Answer

Whats the valve clearance for my Diahatsu Mira 1998 850cc?


Mira 847 cc 1993- Engine Code ED 10
Ignition data
  • Ignition system type: El-ecu
  • Ignition coil make/type: Dia/-
  • Supply voltage: 12 + Volts with ballast resistor
  • Primary resistance: 1.35-1.65 Ohms
  • Secondary resistance: 22000-30000 Ohms
  • Distributor make/type: Den/-
  • Contact breaker gap/air: 0.2-0.4 mm
  • Dwell angle: Deg\par Ignition Timing - unleaded: 5 2/900 Deg eng/rpm (without vacuum)
  • Ignition Timing - leaded: Deg eng/rpm (without vacuum)
  • Timing mark location: Flywheel
  • No 1 plug location: Pulley
  • Firing Order: 1-2-3
  • Spark plug make: Bosch
  • Spark plug type: WR6DC
  • Electrode gap: 0.7-0.8 mm
Fuel System
  • Fuel type: U/L
  • Fuel pump type/pressure: bar
  • Engine idle speed: 900+100/-50 rpm
  • Fast idle speed: 2000 rpm
  • CO level at idle speed: 1.0
  • 0.5 Vol %
Engine Data
  • Valve clearance - inlet: 0.25 mm (hot)
  • Valve clearance - exhaust: 0.30 (hot)
  • Compression pressure: 1.2-1.5 bar
  • Oil pressure: 2.5-5.6/3000 bar/eng/rpm
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  • Drive belt 1 - size: 9.5x925/KDB 925 mm/type
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Electrical System
  • Alternator output: 10/2500 Amps/eng/rpm
  • Regulated output: 14.2-14.8 Volts
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  • Clutch adjustment: 10-30 mm
  • Cambelt failure: Damage
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  • Tyre pressures: 1.8(26)f 1.8(26)r bar (psi)
  • it took me 3 seconds to google this then i realized that this is a older engine then yours

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1 Answer

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4psi idle (bad) and revving to 3k does what, you didnt say.
what was idle RPM 800 or 400>?
the answer is different by hot and cold oil
and oil type, no type stated (do not say brands) 10w30?
running 0w are you>?
and is as low as 8psi hot. at idle ,that is if idle speed is at spec.
is it?
and 3000 rpm would be like 25psi hot, and more cold.
the max pressure will be the pump regulator value.

here is the sensor spec.

The sensor closes when the oil pressure drops to between 4-7 psi (28-48 kPa).

the oil type and bearings clearances (in total) dictate pressure.

3,1 CPC engine spec is.


24649295-qvvdcm34jvcwbumk4o5kywm4-3-0.jpg

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1 Answer

Intermittent fuel starvation,high rpm at idle restart eng all ok


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2000 Chevy s10 2.2L very rough idle at low rpm


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Jul 28, 2009 | 2000 Chevrolet S-10

1 Answer

Hummer h2 idle rpm too low


I can't solve the problem but was hoping you found the answer. I have a 2003 Hummer H2 and I am having the same problems if started in park or Neutral it will idle fine but if I put it in drive or reverse it will not idle

Did you find the solution and if so could you email me the fix.

tdunham@drainageplus.com

Thanks,

Troy

May 28, 2009 | 2006 Hummer H2

1 Answer

2002 chrysler concorde lx low idle


with a 2002 Concord 3.5 V-6, what should the rpm be at 60mph? 70 mph?

I'm not sure if the overdrive gear is lost in the tranny, but the transmission light is on.

Thanks

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1 Answer

2.4 olds alero enging stumble


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Sep 25, 2008 | 2001 Oldsmobile Alero

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