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yes its because a bad ac pump may be locking their for creating more stress on the engine, mainly on idle the engine might try to turn off or run rough their for creating a check engine light low engine power. or cylinder miss fire..............EXCUSE ME but i feel the vehicle owners should be informed.... Iam new to this site but am i the only tech. in this house? I love learning things and iam praying the other subjectcs of my intersst were NOT the same type ive found here.I do not wear a cape, but ive had to re on EVERY AUTO QUESTION i came across...... I would like to elaborate on your question,when you say bad do you meen inop ? iis it cycling,does it click off and on ? bad is a very tough word for a technician.the a/c compressor,if it did seize up your belt would would squeel or seize up.but as the norm,unless you own a Dodge p.u. the check engine light could be anything that has to do with the pcm,or ecm.
What else can I help you with?
Why would your check engine light come on after replacing the water pump on my 96' Chevy Lumina?
Replacing the water pump will not cause the check engine light to come on. Either it is a coincidence or you have accidentally disconnected a wire or damaged a sensor somehow.
Can dirty gas cause the check engine light to come on 2006 Saturn?
no that shouldn't make the check engine light to come on but that's not good on the fuel pump i would change the gas in the tank
What would cause the oil light to suddenly come on ticking sounds started and eventually the engine stopped oil is full but registers none in engine?
You oil pump is not working?
Is there another name for a pollution pump from a 1998 Ford Taurus Could this pump cause the check engine light to come on?
another name is smog pump.this could cause light to come on.
WOULD CAR still run even if air injection pump is not workin?
Yes, but the air pump is a part of the emission system and if it fails it may cause the check engine light to illuminate.
Would a bad oil pump cause a car to stop running?
A bad engine oil pump could destroy the engine if allowed to continue to run. If the engine oil light stays on and or the oil pressure gauge reads "0", the engine is in serious trouble. Have it towed to a shop for diagnoses.
What else would cause chirping noise from engine on 97 XLT V8 AWD 5.0 ENG replaced serpentine tensioner and water pump now check engine light on?
Camshaft Position Sensor / syncronizer
Can the fuel pump cause the service engine light to come on and the car become sluggish in a 1992 Chevy Caprice?
If the fuel pressure is too low that might cause the service engine light to come on and , since there would not be enough fuel pressure, might also cause a sluggish response. That could be caused by a clogged fuel filter also.
What would cause a 2005 impala to run hot?
water pump, oil, water, engine coolant....main cause would be engine coolant, just check to see if you have a leak.
What would cause gaskets to blow on water pump?
The engine overheating, or a faulty gasket, or problems with hot spots in the engine.
What would cause coolant to pour from the front of the Jeep engine?
Bad water pump, the seal is gone. Get a new water pump.
Can radiator leak cause damage to water pump?
No it will not. Before it hurts the water pump the engine would over heat big time, and the w/ pump would probley still be good.
