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An engine may surge when the check engine light is on due to various factors, such as a malfunctioning sensor (like the mass airflow or oxygen sensor), issues with the fuel system, or problems in the ignition system. These faults can disrupt the air-fuel mixture or timing, causing irregular engine performance. Additionally, the vehicle’s onboard diagnostic system may enter a "limp mode" to protect the engine, leading to erratic power delivery. It's essential to diagnose the underlying issue with a code reader to address the problem effectively.
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What would cause an engine surge and check engine light on a 1985 Pontiac Grand Am and how do you repair it?
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
How do you fix the engine surge in your v6 1984 Ford Ranger 4x4?
Check your vacuum lines this usually the cause for a surge in engine speed when idling or running.
Why after a trip of about 150 miles does the car surge hard when shifting from 1st to 2nd car is a 99 Firebird V6 with automatic transmission check engine light is not on and no codes are retrieved?
it sounds like a a trans selanoid is bad and you check engine light is mainly 4 emissions
Why do your internal lights and radio surge on and off with the check engine light on in your 88 s15 jimmy?
Sounds like some kind of intermittent electrical short
What is the dashboard light on mondeo zetec that resebles an engine?
That is the check engine light.That is the check engine light.
Is the check engine oil light the same as the check engine light?
No, oil level does not cause the check engine light.
Not check engine service engine light?
The service engine light is the same thing as a check engine light.
1998 ford explorer check engine light?
The check engine light is the light shaped like an engine, or the light that states Check Engine (Soon). If this light comes on, it is time to see what the issue is with the engine.
Whatcauses 8.1gas engine vortac to surge 2005 workhorse chasis?
could be EGR valve stuck open is your check engine light on? hook it up to a code reader and see if it's throwing a code..
Why does the engine surge on a 1999 expedition?
check the throttle positioning sencer. (TPS) for short.
What are symptoms of a bad throttle control sensor?
Your check engine light will be on and you will feel bucking or jerking while you are accelerating. You will also have an idle surging, sudden stalling of the engine, and a sudden surge in speed while driving on the highway.
Is the service engine soon light on 2001 S10 same as check engine light?
Yes, the Service Engine Soon light is the same as the Check Engine light.
