car hesitates to start and check engine light

You should check the vacuum hoses present around the engine of your vehicle. Batteries dont die in 3 years unless a the battery itself was defective which is unlikely b the alternator isnt charging it properly in which case youll usually see a red light on the dash while driving or theres a parasitic drain on the battery slowly draining it.

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If you look under the cat.

. Up to 25 cash back The check engine light is a warning light that comes on if the computerized engine control system detects an engine performance or emissions problem. With the inconsistent intake of fuel you would find the cars engine stuttering. Basically the check engine light comes on whenever theres an issue that could increase vehicle tailpipe emissions.

Also called the malfunction indicator lamp MIL or Service Engine soon. A failing starter can also cause the car to start hard even if the battery is in good condition. Ive been a mechanic for over.

Diagnosing and Treating Engine Hesitation Start by scanning the engine computer using a scan tool to see if there are any error codes presentA code P0171 or P0174 or both indicates that the engine is operating at a low fuel pressureThis indicates that there is either too much air or not enough gasoline. If you do not know how to check them hire a professional mechanic for this purpose. The car runs well at first start.

After 20 to 30 minutes when the engine gets hot the engine shuts down while driving. Hey I have a 2003 Nissan Altima 25 S 4 cylinder engine and I have this situation where when I first start the car the rpms will idle at 2 or above but once it is warmed up The rps drop to just slightly above zero and the car hesitates like it is trying to stall but then it. An engine misfirea problem that almost always causes an increase in hydrocarbon emissions is one of the many reasons why the check engine light might illuminate or start to flash.

Converter there might be a plug that you can remove to clean it out withIf you remove the plug then just rib - up the engine a time or two That will clean it out for youIf the code that Auto Zone pulled up was PO420 then you might start by replacing the 02 sensor thats right before the cat. Cars Trucks. To obtain a check engine light diagnostic and a specific evaluation of the starting difficulty that you are writing in about please request service via YourMechanics hard starting diagnostic service.

The car hesitates when idling or stopped at light stop sign and the rpm drops to zero then goes back up. Browse Categories Answer Questions. Try this the next time the engine has been off for a while.

1 Bad Throttle Position Sensor. If the engine starts right up theres a problem with the anti drain-back valve on the fuel pump assembly. Because of that there will be an excess of fuel and the engine will hesitate to start in the first attempt or it will have a difficult start.

Up to 8 cash back The codes are NOT the diagnostic itself but rather the codes will provide clues as to which vehicle components must be actually tested. A bad fuel injector can result from excessive accumulation of dirt. It can come on for any of hundreds of different causes from any of the systems that the computer monitors.

Here are the top five reasons. Worn or damaged spark plugs can cause numerous engine issues including misfiring a rough idle hesitation during acceleration and decreased gas mileage. An engine that hesitates when accelerating is either sucking too much air not getting enough fuel or misfiring.

Hesitation and blinking check engine light The car is using oil but this morning the check engine light started - Honda 2002 Accord question. There are many possible reasons your car wont start with the engine light on. The last time it happened was on the way to a birthday party with a car full of now very disappointed kids.

Repeat this a half dozen times and then try starting the engine. Hard starting until i wait for some time for the engine to. Trying to start again becomes the problem.

It is usually the result of a problem with the air and fuel mixture within the combustion chamber. A sign that can indicate this problem can be a floating idle or dips in idle speed. A misfire occurs when theres.

Dirty air filter. Honda Accord Car and Truck. Turn the ignition switch on so the dash lights come on for two seconds and then turn the ignition switch off.

Such an issue can also cause an engine to misfire while it also jerks during acceleration. Heres what you might discoverand what you can do to fix the problem. Top 10 Reasons Your Car Hesitates When Accelerating or Driving.

When you notice your car hesitates to start with no check engine light there might be the issue of vacuum leakage. I want to rephrase the issue. However there is a long list of other reasons which could be the cause of this hesitation problem too.

Honda Car and Truck. Thus you would need to clean injectors or get them replaced.

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