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Rich 2500. 4146 posts · Joined 2007. #12 · Feb 18, 2008 (Edited) D-train said: I've been experiencing a strange problem. I can be cruising the highway at 40mph. When I give it constant moderate gas to accelerated (about half throttle) I'll watch the rpm climb slightly (approx 100rpm) and then the thing slowly drops about 300-400 rpm.Below are some of the most common culprits to a lack of acceleration. The reasons are many so if you're not completely comfortable troubleshooting a car that won't accelerate, we recommend you take your vehicle to a reliable mechanic and let him properly diagnose the issue.08-03-2003 05:40 PM. /. 2007 - 2014 Expedition & Navigator - wont go over 40mph - i have a 2008 expedition xl it wont go over 40mph no matter if you press the pedal all the way down it rides even worse when the air is on. I have changed all the spark plugs,the mass air flow sensor, all 4 o2 sensors, the purge valve and still doesnt go over...About 133,000 miles on it currently. Here is the problem I have been having with it recently. Right around 45-50 mph, my truck starts to jerk or studder as I attempt to accelerate gently. It has not been too bad, but it has been prevalent for the past few months. Yesterday, after an 8 hour drive on highways, when I got back onto a regular road ...

The internet has changed the traditional car-buying process. It's no longer necessary to visit several dealerships and spend hours haggling over the price. You can now shop for the...1.let car sit overnight. 2. Start engine, put A/C on high, let it idle for 20-25 minutes, 2, then drive car uninterrupted for 60mph for 10 minutes, 3. slow down to 25 mph for 4 minutes, come to a complete stop with foot on brake let it idle for 2 minutes, 4. drive again at 30 mph for 8 minutes, come to a complete stop let it idle with foot on brake for 3 minutes.A misfire is the most common reason your Mazda CX-5 isn't accelerating. Here are some common misfire causes. Spark Plugs - Even under the best conditions, spark plugs will eventually need to be replaced. Oil on the plugs, the wrong or bad spark plugs can cause a misfire.4803 posts · Joined 2002. #6 · Jul 12, 2005. Re: car wont go over 40mph (buggutts) My turn... It could be a clogged Catalytic Converter. Hit it with a rubber mallet and listen for any sound like grains of sand while doing it. A clogged and broken converter wouldn't let you go more than 45 mph at anytime. Like. A.Noticed I could turn on cruise-control, but could not set a speed. Then as i tried to accelerate up to the 55mph speed limit, the car refused to go any faster, even if i continued pushing the pedal to the floor. If I took my foot off the gas and tried accelerating again, I could go 5-or-so MPH faster, but the issue would just continue.

If so, start by checking your plugs and wires. If it misfires under a load, it could be the wire shorting to the head. Don't overthink a problem until the simple stuff has been checked. Get back to us with the findings. 0.Model: XE. Year: 1988. Posted June 2, 2014. A few months back I ran into a problem where the engine won't go over 3k rpm. So at 55 the engine would shutter and back fire and no matter what it will not go past 3k rpm. The Ecm gave me the code "injector circuit" I commute through city traffic so not going over 55 was something I could live … ….

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Wont go over 50 mph - Have a 1999 e-150 6cyl that won't go over 50 mph .van starts good has a good idle but doesn't have any pick up and wine's out to ...Sep 26, 2019 · P0700 is a common code if it’s an electrical issue related to the transmission. If something has gone wrong in the transmission, your Rogue may not be able to accelerate anymore, or it’ll. If it can no longer shift, it could be caused by a solenoid/valve body that has gone bad, clutch packs, debris, and much more.

8. Bad Throttle Position Sensor. Another common cause of weak engine acceleration or low engine RPM is having a bad throttle position sensor installed in your car. Apart from causing engine RPM won’t go over 2000 RPM problem, it can cause problems like sudden engine idle, sudden stall, drop in fuel efficiency, etc.Toyota 4Runner Won’t Accelerate Causes. If your 4Runner doesn’t accelerate, but the RPMs go up, it’s usually not an engine-related issue. Somehow, your engine’s power is not making it to the rear wheels. This is typically an issue related to the transmission. Here are the most common cause of acceleration with the RPMs going up: …3. Bad Spark Plugs. Spark plugs are also a common culprit, especially if they haven’t been changed in a long time. When a spark plug stops operating, the cylinder it’s connected to can misfire. You get a rough and shaky motor plus a Check Engine Light. Over time, spark plugs naturally become contaminated.

portable awnings for camping Car wont go over 10 MPH. Jump to Latest Follow 2K views 6 replies 5 participants last post by toddturbo May 5, 2016. G. guardstud18 Discussion starter 8 posts · Joined 2016 Add to quote; Only show this user #1 · May 4, 2016. ok so I posted this under the 2.3L forum as well but need all the help I can get. ...Looking for a deal on a vehicle? Used cars are going down in price. A recent report reveals vehicles with the biggest price decreases. After a pandemic-fueled spike in prices, what... b.a.d bloonsamazon macon ga jobs Have you driven your car over something that scraped the bottom hard? Your Impala's exhaust pipe may have gotten pinched. When pinched, exhaust gasses can't escape, and your car won't accelerate.P0700 is a common code if it’s an electrical issue related to the transmission. If something has gone wrong in the transmission, your Altima may not be able to accelerate anymore, or it’ll. If it can no longer shift, it could be caused by a solenoid/valve body that has gone bad, clutch packs, debris, and much more. does costco sell tire chains 1 Answer. Check for a clogged catalytic conveter or weak fuel pump. Remove the O2 sensor so exhaust can flow out hole and test drive it. If it's better replace the cat or look for kinked or dented section of the exhaust. If it didn't help, have the fuel pressure tested as well as the ignition advance and timing chain.Won't go over 2rpm. My 2006 Nissan Altima won't accelerate over 2RPM, when it goes above that it starts jerking, almost feels like it's choking. I just changed the Camshaft Sensor because it wouldn't accelerate when I pressed the gas pedal at all. It now goes, but only until it reaches about 21/2 Rpms. It has a new MAF sensor and just ... hy vee wednesday specials todayod green truck bed linerdeli chatham nj 96 F-250 7.3 powerstroke turbo 130K miles. Been running B100 for the last 2000 miles with no problems. An oil change was due so I did that (not my first oil change). Well immediatley after the oil change I noticed a significant loss of power. The truck has barely any acceleration, and it won't go over 60mph and at 60 the engine starts to shake. explore usa locations If you have recently purchased a General Motors vehicle and it is having a problem, you may be wondering if your truck has a warranty that will cover repairs. There are several di...P0700 is a common code if it's an electrical issue related to the transmission. If something has gone wrong in the transmission, your Sonata may not be able to accelerate anymore, or it'll. If it can no longer shift, it could be caused by a solenoid/valve body that has gone bad, clutch packs, debris, and much more. oconee jailpark point beach camerdens car wash Aug 21, 2023 · Dirty Fuel Injector. A dirty fuel injector can cause your car to lose power and not go over 20 mph. To clean your fuel injector, you’ll need to remove it and disassemble it. Then, using a brush and some cleaning solvent, clean the inside of the injector. Reassemble the injector and reinstall it.