Question about 1999 Ford Explorer

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The RPM1000 gage moves up and down when I am a complete stop. The car idles as though it is trying to cut off and it has on 1 or 2 ocassions, what could be the probelm

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  • Ford Master
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First check the fuel pressure it should be 30-45 psi with key on engine off.It could be a weak fuel pump.

Posted on May 26, 2011

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Posted on Jan 02, 2017

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Didn't find 97 ranchero in US automotive database. Is this a US vehicle? I looked for wiring diagram? I'd have to check starter motor wiring circuits and make sure engine isn't trying to seize when it gets hot or starter motor.

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Rpm gage drops fast when I let off the gas pedal


did you mean too fast ,as all cars do that.
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When I slow down to a complete stop, my 1999 chrysler sebring cuts off. Can you help me?


Possibly a transmission issue. The transmission has a "lockup" mode, where a clutch connects the engine directly to the transmission at cruising speeds. It is then supposed to unlock at lower speeds and for stopping. If it doesn't unlock, the car will stall at a stop. Try putting it into neutral (carefullly, so you don't go into reverse) as you slow down, if it doesn't stall out, it is most likely the transmission lockup mechanism.

If it stalls in neutral it is an engine issue. Bad idle control, bad ignition (it's easier to fire at high speed), bad fuel injector, bad air flow/pressure sensor... and more possibilities.

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What is the check gauges light


CHECK GAGES light (1) indicates a potential engine failure(low oil pressure, low coolant, coolant overheating) has occurred.
· Check gages and shut down engine. Gages should read as follows: Oil pressure 5 to 10 psi (34 to 69 kPa) at idle; Water Temp gage below 230 degrees (110 C).
· Check engine oil level (Para 2-11) if OIL PRESS gage indicates low reading. Check coolant level (Para 2-11) if Water Temp gage indicates high reading. Notify Unit Maintenance if levels are low.

If CHECK ENGINE light (2) is on, check engine oil pressure gage (3) and water temperature gage (4). If both indicate normal, proceed with mission and then notify Unit Maintenance. If either one does not indicate normal, stop engine immediately and notify Unit Maintenance


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91 honda accord cut off


Here are the most common causes of surges, stalls at stops, low erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake

Apr 06, 2009 | 1991 Honda Accord

1 Answer

Car cutting out when idleing


Here is the most common cause of surges and stalls at stops and low erratic idle speed and rough idle, it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Mar 18, 2009 | 1997 Saab 900

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I have 2006 Chevy Colorado with 2.8l vortex engine (standard), Idles great but when i am going down the road then push the clutch in to stop the RPM gage will go up and down from 700RPMs to around 300RPMs...


There is a recall for valve problems. The warranty for this problem has been extended to 100,000 miles for that. Check with your dealer to see if that is the problem. If no help contact GM.

Dec 20, 2008 | 2006 Chevrolet Colorado

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Honda accord 1996 v6 2.7 liter,rpm gage jump up and down


Here is the most common cause of surges and stalls, it is the idle speed control air-bypass valve and throttle valve, they get full of gunk over the miles and cause idle issues (stalls) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Nov 28, 2008 | 1996 Honda Accord

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