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deceleration

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Whining noise. 1999 Chevrolet Tahoe
Hi there. If you are only hearing the noise in those speed ranges, then you may have bad overrunning clutch needle bearings inside the transmission. In this case, the transmission will need to be overhauled and repaired. If you would...
Question
Car shuddering at 15 mph, squealing wheel and sticking starter - 2005 Subaru B9 Tribeca
The "shuddering" you mention when braking at low speeds could be caused by either a "warped" brake rotor or by worn out control arm bushings. The sticking starter issue is either the starter bendix or starter pinion/ring gear binding. These...
Question
Electronic gear box system issues
Hello. It sounds like there is an electrical problem with the gearbox or internal components of the gear box. This is a dangerous problem, and until it is repaired, it is unsafe to drive your vehicle. For this type of...
Question
Shifting problems at high speed
My guess is that the overdrive relay or solenoid has failed. If either of these parts fail, your Volvo will not shift into overdrive. This is a very common problem on Volvos such as yours. A trained professional, such as...
Question
Van shakes, makes knocking noise - 1993 GMC G2500
Hello. You will need to find out if your engine is misfiring due to an ignition part like plug wires, plugs, or distributor parts like a cap and rotor or the module. If all the tune-up maintenance is done to...
Question
Stiff brakes, cannot be pressed - 1997 Suzuki Sidekick
Hello. You should check to see if the brake booster is getting good vacuum to the brake booster. Check the vacuum line from booster to the engine and see if it is collapsed or soft where it can collapse. You...
Question
Engine hot, difficult shifting, shutting off
Hello there, thank you for asking about your 1987 Oldsmobile Cutlass Calais. A common problem that can cause stalling is a stuck torque converter clutch. This device connects the link between the engine and transmission, but should slip some when...
Question
Problem with speed. No check engine light on but when accelerating speed, it decreases then speeds right back up. No stalling at all
Hi, thanks for writing in. This is a common problem associated with fuel/air delivery which is very commonly related to what is called a mass airflow sensor. This monitors the flow of air intake into the throttle body as it...
Question
Jerking while shifting during deceleration - 1989 Cadillac Brougham
Hey there. The EGR system may get carbon in it causing the jerking on deceleration. Try decarbonizing the engine to see if it helps. You may need to remove the EGR valve and clear out excess carbon from the passages....
Question
Car stalls during braking and deceleration
It is possible that the noise and "no power" symptom you experience is the exhaust pressure in the turbocharger of your engine being released. In some cases, an excessively rich mixture of fumes in the exhaust is ignited causing a...
Question
Binding popping noise when decelerating without applying the brakes.
Hi there. To test the universal joints, press up on the drive shaft near the joint and see if the caps move around. Take the drive shaft and turn it back and forth and see if the drive shaft moves...
Question
My picasso car stalls when I slow down and also when I'm driving then restarts no warning lights stay on been scanned no faults.
Hi there. The sensor in the pedal is dropping below threshold and the computer thinks that there is problem, so it makes the ignition system shut off and turn back on to reset the pedal position sensor. I recommend replacing...
Question
My car jerks when decelerating or cruising in slow speed.
Hey there. This may be a sign of a dirty or failing mass air flow sensor. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed with fuel prior to...
Question
My car gets stuck in low gear when decelerating
Hi and thanks for contacting YourMechanic. It sounds like that the low speed shift sensor has failed in the transmission. This is common occurrence to the transmissions in the Chrysler vehicles. I recommend replacing the low speed shift sensor and...
Question
Strange rattling sound from the engine when RPM goes down from 3,000.
Hi there. The noise that you are hearing is heat shields on the exhaust system are loose causing a rattling noise. Either the shield on the manifolds are loose or the shields on the catalytic converter are loose. If you...
Question
Recently my 2011 Kia optima ex GDI turbo has begun to decelerate when going uphill. The check engine light has been lit up for a month.
Hi there. Sounds like the turbo is not functioning correctly. The turbo may have a broken shaft or the intake fans are broke. When the turbo is not working, then the engine will not accelerate properly, especially under a load....
Question
Clicking sound appears during decelerating. What could it be?
Hi there. What you could be hearing is the chain in the transfer case. If the chain has too much play, then the chain will rub on the transfer case housing when not under a load. Try going up a...
Question
My truck decelerated from 65mph on a flat surface without any warning.
First check for any fuel in the fuel tank. If there is fuel in the fuel tank, then turn on the key and listen for the fuel pump to hum. If there is not humming sound, then check the fuel...
Question
Jerking during deceleration.
Check all of the driveshafts in the jeep and see if any universal joints are worn causing the shafts to move around when letting off the throttle. The universal joints in the front axles are the most common joint to...
Question
05 ram 4x4 Vibration in the floor during acceleration, and a vibration in​ steering at cruising speed that goes away when letting off the gas.
Hi there. This sounds like the tires on the front are out of balance and the ball joints are worn and need replaced. A out of balance wheel will cause the vehicle to vibrate and may change location to the...

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