Ford - Escape :: 2004 - Tachometer Fluctuation Between 35 - 40 Mph?
Feb 27, 2013
I just bought a used 2004 Ford Escape Limited ( with a 30 day warranty). I have noticed when it is in park and idle, the tachometer fluctuates a little, between 500 and 1000 RPM's. When I was driving it tonight I also noticed that between 35-40 mph, the tachometer fluctuates up and down and the car seems to surge a little. I put it in cruise to make sure that I wasn't adding any pressure on the accelerator that I wasn't aware of and it still did it. ( Not sure if this problem could be tranny related, but I should note that I had the tranny flushed when I purchased it last week.)
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So we bought a new to us 04 Escape for the kid, he loves it! My question is, what's going on when I accelerate somewhat aggressively, the tach and speedo peg high and battery light comes on. It does not affect performance and gauges return to normal within a couple seconds.
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I recently (2 weeks ago) picked up my first Effie, a 2004 RN F250 Supercab XLT 5.4L 4x4 auto (dual Fuel Petrol/ LPG).
One of the things I am exploring is a problem with the tachometer reading high. I read on a thread somewhere on the forum that it was most likely that the earth of the tach plug was not connected. (It was a great thread but I can't seem to relocate it)
I am still chasing a workshop manual to get wiring diagrams, etc. In the mean time, where to locate the said plug/ earth connection?
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My 2004 Camry will not start; I have never had any starting issues before and the car was running perfectly hours before the problem started.
The battery is fully charged
The fuel pump is operating
The ignition and fuel pump fuses and relays are good
When I attempt to start the car everything sounds normal, but engine never starts and the tachometer does not move.
Additionally a soft buzzing noise starts coming from somewhere near the air filter box. The sound can be stopped by removing the "EFI" fuse. Disconnecting the injectors does not stop the sound.
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Today my 98 Expedition just started at 50 mph or 3000 rpm with battery light flickering and voltage fluctuation toward high end of 18 volts. Battery is 1 month old. No problems under 45 mph or 2500 rpm.
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I have a 96' ranger that has been missing quite regularly. The vehicle has over 200,000 miles on it, but has been taken care of regularly by me since 75,000.
Problem: When I start the vehicle, the engine takes a little bit to find the idle. It spits and fumbles around some until it finds a somewhat rough idle. Often, when I first start driving in the morning, the vehicle really jumps around due to misfiring. Even after running smoothly for awhile, the vehicle with sporadically misfire with no rhyme or reason. This is particularly true when climbing a grade. When sitting at a red light and idleing in gear, you can definitely feel the truck shaking from side to side. Also, when idling in gear, the battery gauge on the dash fluctuates, but when the vehicle is in park the battery gauge doesn't fluctuate...it just idles a little rough.
I had the Ranger to a garage and had them check the battery and alternator connections and ground to try and figure out what is making the battery gauge fluctuate...alternator and battery checked out...no diagnosis for fluctuation.
I replaced all plugs and wires and also checked the coil pack. One of the coils (#6) had some build-up in the top. I cleaned it out and replaced all the plug wires and everything snapped in place and fit fine.
The garage did tell me that an error code came up with the EGR valve and or sensor. They didn't seem to concerned about it. Do the EGR valve could be the cause of all the stuttering and misfiring going on with the ranger? I really don't know where else to look. Maybe replace the coil pack?
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So my temperature gauge started fluctuating from low to mid-gauge reading and it does not matter if at idle or driving. It never goes above mid-range or reads hot. I have had my diagnostic tool connected while monitoring the ECT in real time and my temp reads 180-195. Also there are no codes and everything else is running normal.
I have searched other threads and the only thing that was mentioned was changing the temp sensor but they also had the issue where the diagnostic tool also showed the temp fluctuating.
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Every time my car is idling I get this weird fluctuation of rpm. What it might be. [URL] .....
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I have a 2001 Volvo S60 T5 Turbo with 145K on it, lately when at a stop, in Drive, my idle fluctuates, dipping below 1K RPM where it normally is, fluctuating between 500-1K RPM. Note the spark plugs have nearly 100K on them, but otherwise, car runs great (besides lots of oddball suspension noises)
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Typically after driving for 5 minutes or so my temp gauge is in the middle at 200f. After about 15 min of moderate 35-45 mph driving it went down a notch below the 200 mark after it had reached 200f. I've noticed this happen a few times recently. I did notice that it happens while coasting downhill. I guess i'll be taking it it to my mechanic to take a look.
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I just bought a 1995 Geo Tracker 5spd RWD 8valve 4 banger. Test drove beautifully (probably 10-15 mins driving). On the way home after purchasing it, however, it began having some issues, the most prominent being a fluctuation in rpm's when pressure is applied to the gas pedal. For instance, with the clutch pedal in, and the car between gears, when I push on the gas pedal, the rpm's will spike (guessing above 2000 rpm) and then drop (probably under 1000 rpm). It will only do this when gas is applied and when the vehicle is warmed up (10+ mins of driving). It will also do this in first gear when letting off on the throttle. I have been told a various array of parts that could be the problem, such as the thermo gauge, the IAC, tps........the list goes on and on. I was wondering if there were any way to pin point this to a certain part.
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I've been experiencing ENGINE RPM FLUCTUATION on cold starts. I took it into the dealer and they found an update available for the ECU and reprogrammed the ECU.
2009 Santa Fe ?
So far it appears to have corrected the RPM Fluctuation on a cold start... I see TSB 10-FL-010 cover this but also suggests to replace the Throttle Position Sensor which wasn't done on my vehicle.
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I just bought a 2009 Chevy Silverado , have only had for a week and have noticed an irregular fluctuation in idle, also the transmission has lack of a better term jarred a few times and seems to downshift rough sometimes. The irregular idle seems to be worse when the ac is on, I can hear the compressor kick on and off alot. And just once I was driving and tried to accelerate and it didn't want to very much. Factory warranty is out and dealer didn't give option for extended warranty. They have agreed to look at it but aren't willing to do much other than clean injectors and throttle body.
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I have a 2009 Santa Fe Limited with the Infinity sound system.
Last night driving home there was a split-second power pop/fluctuation in my center console. The lights and sound turned off for a split-second. I didn't notice if this also happened with my driving console or exterior lighting system, but the wife seems to think that it was only the centre console.
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How to fix a speedometer reading fluctuation? When I am driving about 45 mph the speedometer will drop to zero (RPM does not change) and then will bounce. Some times the speedometer will remain at zero other times it will bounce back to indicating speed.
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We have a 1997 Saturn. For the past few months, whenever we're at a stoplight it suddenly fluctuates in RPMs, giving it a rough idle (going from 1000 down to 500 or so for a second or two, before coming back up to normal). It appears to be temperature sensitive (i.e. the longer the car runs or the hotter the outside temp, the more often this occurs). I sprayed the throttle body connection and vacuum connections to attempt to find a potential vacuum leak, with no effect. We've already had the transmission replaced, and haven't been having any other idle issues besides this. What else might be causing it.
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So I am changing my transmission fluid tomorrow and was wondering a few things.
1. I noticed some people pull off the transmission hose to the inlet and keep draining that until its clear. For a drain and fill do you do it like that or just pull the plug and refill?
2. When youre filling it back up you just measure how much you taken out and then fill the rest by the dipstick? Anything else i should know?
3. Since I havent changed my transmission fluid in 60,000 miles. I wanted to do a drain and fill. I was thinking I needed to drain and fill it 3 time to catch up to maintenance. How often would you do it to get it clear? Drain and fill then drive it for a week then drain and fill? Or do it all in one day?
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2004 Ford Escape air conditioner works GREAT when sitting idle. Air conditioner blows HOT air while driving. Seems like the faster I go or the more load on the engine the hotter it blows. Weird?
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The key is stuck. It doesn't turn all the way back to the off position and the steering wheel will not lock. The shifter will still move when I turn the key and press the brakes. The car drives fine. Just can't take the key out of the ignition. This escape has the shifter on the steering column.
Solved: There is a tiny switch (like the one in the pic) that tells the car when the shifter is in the park position. It snaps into position in a little plastic slot. It had popped out of its slot and could not be actuated. It has 3 wires attached to it. I snapped it back into its slot and it works fine now.
Including a pic of it in its proper position. Hard to see it but that's how it looks when it is correct. Pic was taken with my phone stuck down behind it because I could not see it. So this view is as if you were inside the steering column looking back toward the driver seat.
It is located in the steering column near the top. The top cover on the steering column pops off and you can see it without taking the steering column loose, and with some skill and luck it can be snapped back into its slot. Also before inserting the switch, move the shifter down to another position so the little arm will not be in the way.
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I bought a 2004 Ford Escape XLT last year - it had a leaky oil pan gasket which I replaced about a month ago. After driving around with an oil leak for a year, I've gotten in the habit of constantly looking under the car for any new leaks - I had been driving around for a few hours yesterday and noticed what looked like a slightly older oil spot when I got home. I looked under the car and noticed a tiny bit of oil gathering at the back of the oil pan. I checked the oil levels and it looked fine. I haven't noticed any new oil leaking since.
I have heard that it could either be a bad PCV valve/hose or a valve cover. I'm not sure it's the PCV system because I believe Ford advises the valve be changed out at the 100k service, which I just had done a couple months ago.
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2005 Taurus. 82K miles, 3L, 6cyl, OHV engine, auto transmission. Occasionally the tachometer goes crazy. When this happens, it seems like the car loses some power. The reading on the tach is definitely incorrect when this happens (needle all over the place). Replacing something called the "speed sensor" ??? Couldn't find anything else that this problem may point to ??
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