What causes a van to surge at 55 mph?

While driving around 55 mph the RM would surge unexpectedly. We would have to stop the van and wait for 1 minute and start it again and it would run fine. It has been 1000 miles since the last incident. This started happening after the ignition switch was replaced because of the recall.

Why does the speedometer jump up and down?

Speedometer erratic, needle jumps up and down as I speed up..? First of all i want to thank all o you that provided excellent possible solutions to my carburetor problem starting cold, but then after it was warmed up or hot, not starting again after 5 minutes, 15 or an hour later.

Why is it when driving the RPM gauge drops or jumps up?

Somewhere the fuel drop then suddenly rpm decrease better check the complete fuel system from tank to injectors also check the rpm sensor . Was this answer helpful? This could possibly be your output speed sensor, related to the transmission.

What to do if your Chrysler van surges?

Pull the vac hose and plug/cap. Take the van for a test drive. If the surging goes away, the EGR needs replaced. Apparently crud gets into the EGR valve and prevents proper operation While driving around 55 mph the RM would surge unexpectedly.

When does a V6 engine start surging while driving?

V6 engines may experience surging while driving. The condition is more noticeable between 40 and 50 MPH while accelerating up a hill/slight incline. Replacing the powertrain control module (PCM) and updating the transmission control module (TCM) software may be required. Ready to sell? CarMax buys all kinds of cars

What causes a car to backfire when under load?

The valve is the passageway for air to enter the system when the engine is under load. When it’s malfunctioning, it releases air into the combustion chamber even at the time of de-acceleration. It creates the ignition of unburnt fuel and causes a car backfire.

Which is more fuel efficient 55 mph or 60 mph?

According to studies backed by the department of energy, the average car will be at its advertised MPG at 55 mph. But as the speed increases: – 3% less efficient at 60 mph

What happens to your gas mileage when you go over 60 mph?

Your car’s gas mileage decreases once it gets past its optimal speed. For most cars, this is around 55-60 mph. This means that every time you go over this speed, you’re essentially wasting gas and money – and creating unnecessary greenhouse gases.

Why does my truck shudder at 55 mph?

It is only when my speed drifts back and forth during the 45 – 55 mph zone that the problem is noticeable. If I am going up a hill, the shudder occurs at a lower speed, depending on how steep the grade is.

What makes the engine go away at 35 mph?

Around 35 mph (common street speeds) the engine will sometimes surge with noticeable tach fluctuations. Pressing further on the gass pedal will make the surging go away. The throttle position sensor change did not help. Would like to get this fixed if possible.

Is it normal to have 400 ish RPMs?

I was told 400 ish rpms around 50 was normal. With cruise it doesn’t really seem to do it but just using the pedal does… Click to expand… Only if your TC is unlocked, which at 50 it should not be unless you’re towing or accelerating or going fast up a steep incline or something…

What does surge feel like in Chrysler Town and Country?

Surge at steady speed feels like a skip reminds me of loss of traction. At light acceleration, there is some feeling of engine missing/trans surging. Dealer said it was not detected but installed updated software. Still happens especially when engine is cold. Replacing the EGR fixed the surging issue I have had for a couple of years.

Why is my V6 engine surging while driving?

Why does my front blower not work in my Dodge Grand Caravan?

I have been dealing with this issue for over a year. 2008 Dodge Grand Caravan. Front blowers don’t work when back ones do. AC is still cooling. Turn van off, restart and everything works again. Maybe for minutes, maybe for days or weeks. Four different mechanics and dealers have looked at the problem.

When did Plymouth Voyager stop being a minivan?

For 1984, the Voyager became a Chrysler minivan sold alongside the Dodge Caravan; as a minivan, three generations of the Voyager were sold from 1984 to 2000.

How many horsepower does a Plymouth Voyager have?

For the first 3 years of production, two inline-4 engines with 2 barrel carburetors were offered. The base 2.2L was borrowed from the Chrysler K-cars, and produced 96 hp (72 kW) horsepower.

What’s the difference between a Plymouth Voyager and Dodge Sportsman?

In contrast to Dodge, the Voyager was marketed solely as a passenger van; in line with the Sportsman, 12–15 passenger seating was offered. Early versions of the Voyager were visually similar to their Dodge counterparts, centering Plymouth badging in the grille (as with Fargo vans and 1971-1973 Dodges).

Where was the Plymouth Voyager made in Canada?

The full-size Plymouth Voyager van was assembled at the now-closed Pillette Road Truck Assembly facility (Windsor, Ontario, Canada). For the 1974 model year, Plymouth marketed trucks under its own brand (for the first time since 1942).

What causes a van to surge at 55 mph?