Why does my Mitsubishi Starion have engine hesitation?
As another example, I still have a 1987 Mitsubishi Starion, which ran perfectly for 35,000 miles. Then it developed an intermittent hesitation problem- you would be cruising at 60mph, on a 400 mile trip, ease off the gas pedal, and suddenly for 1/4 second, it was as though someone had switched off the engine and then turned it back on again.
When to troubleshoot a Mitsubishi 3.0L V6 engine?
The information in this article is specific to the 1989 3.0l V6 motor. Many aspects of this procedure are common to all 3.0s, but it is advisable to consult a service manual before you troubleshoot your own engine.
Why is my fuel filter not working on my Mitsubishi?
Work the pump until it is hard and then try starting. If the start is now trouble free, air is entering the fuel system (possibly from the fuel filter) and the piping and connections will need to be checked. If there is no problem here, the fuel filter could be blocked and need replacement.
What to do when your car engine hesitates?
Step 4 – The engine’s fuel system must operate at a specific pressure, if this pressure is inadequate the engine will hesitate. Locate the fuel pressure test port or use a fuel filter adapter to connect a fuel pressure gauge and check the reading.
The information in this article is specific to the 1989 3.0l V6 motor. Many aspects of this procedure are common to all 3.0s, but it is advisable to consult a service manual before you troubleshoot your own engine.
Work the pump until it is hard and then try starting. If the start is now trouble free, air is entering the fuel system (possibly from the fuel filter) and the piping and connections will need to be checked. If there is no problem here, the fuel filter could be blocked and need replacement.
Step 4 – The engine’s fuel system must operate at a specific pressure, if this pressure is inadequate the engine will hesitate. Locate the fuel pressure test port or use a fuel filter adapter to connect a fuel pressure gauge and check the reading.
What kind of fuel injection does a Mitsubishi V6 use?
Where the four cylinder relied on the trusty Mikuni carburetor to dump fuel according to a complex linkage of springs and vacuum lines, the new V6 adopted a multi-port fuel injection system to precisely spray fuel into the combustion chamber.
What to do when your car engine is backfiring?
Anytime you have an engine that is backfiring the first thing to look for is a check engine light. If no warning lights are on continue down this guide. If the check engine or service engine soon light in on scan the computer for trouble codes. This will help locate the system that is having a problem and needs repair.
How many miles does a 1987 Mitsubishi Starion run?
If the problem is intermittent, you may never find it. As another example, I still have a 1987 Mitsubishi Starion, which ran perfectly for 35,000 miles.
Is it OK to drive an engine that is misfiring?
Instead from that, misfires can damage other sensors in the engine like the O2 sensors. So, I would never recommend driving an engine that is misfiring for any long distances. Short distances to your mechanic workshop without putting a load on the engine is fine, but do not ignore the misfires and keep driving.
What happens when the throttle position sensor fails?
The throttle position sensor can fail in several ways, all of which result in poor fuel economy at best, and performance limitations that may create safety hazard for you and other motorists at worst. This sensor can fail gradually, or all at once. In most cases, the Check Engine Light is illuminated if a TPS failure is detected.
How to solve engine hesitation and stumble problems?
One way is to divide the problem into 2 parts- one which involves locating “conventional ” faults and the other deals with the computer controlled aspects. Conventional fault tracing involve basic checks such as vacuum leaks, bad fuel, wiring faults, and worn or fouled spark plugs, loose alternator belt or faulty alternator.
How to fix engine hesitation when the throttle is depressed?
Step by step guide on how to repair an engine hesitation when the throttle is depressed, this information pertains to all internal combustion engines. Protective eye wear and gloves. Begin by parking the vehicle on level ground, in park with the emergency brake on.
As another example, I still have a 1987 Mitsubishi Starion, which ran perfectly for 35,000 miles. Then it developed an intermittent hesitation problem- you would be cruising at 60mph, on a 400 mile trip, ease off the gas pedal, and suddenly for 1/4 second, it was as though someone had switched off the engine and then turned it back on again.
One way is to divide the problem into 2 parts- one which involves locating “conventional ” faults and the other deals with the computer controlled aspects. Conventional fault tracing involve basic checks such as vacuum leaks, bad fuel, wiring faults, and worn or fouled spark plugs, loose alternator belt or faulty alternator.
Can a bad fuel pressure sensor cause a car to stall?
But even if it is the first time you stalled, it could still be due to a bad fuel pressure sensor. With a bad fuel pressure sensor, the engine will not receive the proper amount of fuel for its internal combustion process. Because of this, the engine won’t release the right amount of energy for the rest of the car’s components to function properly.
Why does my car hesitate when going up an incline?
If the vehicle has an external fuel filter, it’s wise — and inexpensive — to replace it. Likewise, a failing fuel pump (also mounted in the tank) can cause fuel starvation, especially when the vehicle is heading up an incline. 8. O2 sensor