two weeks prior to this issue, took my truck for a tune up change and also replace the throttle body I was running into an issue where every time I would slow down or come in to a stop my truck will turn off. after we replace the throttle body, didn't have an issue with the truck turning of on me while driving. Now the problem is when I park my truck turn off the engine and it will make the noise of wanting to start engine, but wont start it. I leave it alone for 15-20 mins and then it starts. I tried taking it to the mechanic and he said he cant check it because I have no lighting sensor
It is very likely that you have a powertrain control module failure. This can happen often on many GM vehicles. I would recommend having the powertrain control module tested and replaced as necessary in order to resolve this issue. After the powertrain control module is replaced, a reflash procedure will be required so that the vehicle can relearn all of its primary engine data. Once the reflash is completed, your vehicle should no longer have this issue.
How to Identify and Fix Common car Problems ?
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An issue with the mass airflow sensor may manifest itself when a car starts and then stalls soon after starting. Fuel Pump Relay: The fuel pump relay functions much like a fuse for an electric fuel pump. The fuel pump relay engages as the vehicle is started and starts the fuel pump.
The most common reasons a Hummer H3 won`t start are a dead battery, an alternator problem, or failed starter.
The most common reasons a Hummer H2 won`t start are a dead battery, an alternator problem, or failed starter.
Error code P0449 indicates a malfunction within the vehicle`s evaporative emissions control (EVAP) system. The code specifies an issue regarding the circuit that controls the vent.
The most common reason your car starts then dies immediately is because of a lack of fuel in the engine. This often happens because there is a small amount of fuel in the fuel rail, which helps to start the engine. However, there is no fuel pressure to keep the engine running.
Common reasons for this to happen:
Low fuel pressure, dirty or defective fuel injectors, or broken fuel pump: The fuel pump is responsible for transferring fuel from the tank to the engine.
If your vehicle won`t start, it`s usually caused by a dying or dead battery, loose or corroded connection cables, a bad alternator or an issue with the starter. It can be hard to determine if you`re dealing with a battery or an alternator problem.
Broken or Damaged Ignition If your headlights can turn on, but your car won`t crank, that means that your battery is charged, but either the starter or ignition is the problem. If the starter or ignition is the problem, a starter engine can be jumped by using a charged battery.
The most common reasons a Hummer H2 key won`t turn are a binding steering column/lock, an ignition switch issue, or a problem with the ignition key.
What the P0449 code means. The P0449 DTC means that the evaporative emission control system vent valve or solenoid has a malfunction. The ECU detects this fault and causes the Check Engine Light to be illuminated on the dashboard.
The most common and obvious reason your car may start then die is the fuel shortage in your engine. This happens because there`s not enough fuel in the fuel rail, and there`s no fuel pressure to keep the engine alive. The reason isn`t always you forgetting to fill up your gas tank.
Common faults are the battery, alternator, fuel pump, fuel filter, battery cable, coil, or a wiring harness fault.
Engine Troubles The 2006 Hummer H3 vehicle from General Motors was riddled with problems. According to drivers, it ran rough, had leaky valves, cylinder heads that failed, low compression, and the engine shutting down.
When an engine cranks for a long time before it starts, either spark or fuel is missing or weak and each has its own reasons. Most of the time, the air / fuel mixture has been disturbed and there is too much air or not enough fuel.
If your car won`t start but the battery is good, the most common cause is a faulty starter – though it could also be to do with your fuel. You may have insufficient fuel to get the car going.
One common culprit for this problem is the crankshaft position sensor, which measures the position and speed of the crankshaft. The computer uses the information from this sensor to know when to fire the spark plugs. If the sensor isn`t working, the spark plugs won`t fire, keeping the engine from starting.
Fortunately (spoiler alert) the root cause of a no-crank is almost always simple. Most of the time it`s simply due to a low or dead battery, or voltage drop through a corroded connection. Rule those out before you suspect the starter itself.
The most common and obvious reason your car may start then die is the fuel shortage in your engine. This happens because there`s not enough fuel in the fuel rail, and there`s no fuel pressure to keep the engine alive. The reason isn`t always you forgetting to fill up your gas tank.
The idea behind the start-stop system is simple: If the engine is stopped for short periods, for example while waiting at traffic lights, fuel consumption and emissions are reduced. In this way, the automatic start-stop system helps to save fuel and protect the climate.
The idea behind the start-stop system is simple: If the engine is stopped for short periods, for example while waiting at traffic lights, fuel consumption and emissions are reduced. In this way, the automatic start-stop system helps to save fuel and protect the climate.
Fuses – If the car dies while idling but restarts, there`s a possibility that there might be an issue with the fuses of the car. It`s conceivable that one of the fuses has blown. Take each fuse from the box and hold it up to the light.
