Throttle Position Sensor– The throttle position sensor is typically located on the gas pedal.When one of them goes wrong, it can lead to stalling for sure. The ECU then uses this information to adjust the timing, air fuel mixture, and more.
#2009 PONTIAC VIBE ENGINE SERIES#
Your Pontiac Vibe uses a series of complex sensors to report what is going on to the ECU. Here’s more on timing chain jumped symptoms. If that happens you are going to go from misfire to un-drivable. Just know, that if it jumped a tooth, it’s only a matter of time before it jumps more or breaks all of the way.
Timing Chain Jumped– If your timing has jumped a tooth or two, it’ll definitely stall out. If there is a VVT issue, it’ll often throw trouble P0010, P0011, or other related trouble codes. This allows for the engine to be in the “sweet spot” of power or economy depending on how hard you are pushing the gas pedal. VVT Problem– Many modern engines are equipped with Variable Valve Timing. Here are some of the more common causes of an engine timing problem: If your Pontiac Vibe’s engine timing is off, it’s going to stall out, misfire, and altogether not run properly. This can be caused by the fuel pump or fuel filter. When it asks for a lot of fuel, instead of taking off, it stalls out with the demand. Not Enough Fuel– The fuel pump may not be able to provide the fuel pressure needed for the engine to run properly. Here’s more on Pontiac Vibe bad fuel injector diagnosis. Or, it just may not be able to properly atomize the fuel anymore. Bad Fuel Injectors– If the fuel injection system is allowing too much or too little fuel into the combustion chamber, than your Vibe will stall out. Usually it’ll be a bad sensor reading, vacuum leak, or other problem that’ll cause the air/fuel mixture to be wrong. Air Fuel Mixture– If the air/fuel mixture is off, your Vibe can stall out. Here’s a good article on all the symptoms of bad gas. If there were no other symptoms and suddenly you find that the vehicle is running very rough, bad gas could certainly be the problem. Water in the gas tank can also cause gas to not fire properly. Bad gas- can cause an engine to stall out. It needs them in the right quantities and intervals, or it won’t run right.įuel issues are one of the most common reasons that a vehicle would stall out, that includes your Pontiac Vibe. 
Remember, a vehicle needs air, fuel, and spark to run. Here are some of the issues that cause the Vibe to stall out. If you don’t own/want to buy a scanner, most local parts stores will run a scan for you at no cost (they want to sell you the parts). They are often specific enough to get you all the way to the problem, or pretty darn near. Trouble codes are always a great place to start diagnosing problems on today’s modern computer controlled vehicles. Stalls can happen at any time, and it can be incredibly jarring when it does happen.īefore troubleshooting any automotive issue, including stalling issues with the Vibe, make sure that you check the vehicles trouble codes with an OBD2 scanner. The most challenging part of diagnosing a stalling problem is reproducing the conditions that led to the stall in the first place. One of the most common issues your Pontiac Vibe is likely to develop is a stalling problem.
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