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A Chevy 2.8 may idle rough and stall due to several factors, including a faulty idle air control valve, vacuum leaks, or dirty fuel injectors. Issues with the ignition system, such as worn spark plugs or a failing ignition coil, can also lead to irregular idling. Additionally, a clogged fuel filter or a malfunctioning mass air flow sensor can disrupt the air-fuel mixture, resulting in poor engine performance. Regular maintenance and diagnostics are essential for identifying the specific cause.
What else can I help you with?
What causes a Park Avenue to run rough or misfire and stall at redlights?
Check the Park Avenue EGR valve for a clog. A clogged valve can cause a rough idle and stall at a light.
Egr valve 1994 Chevy 1500?
The EGR valve on a 1994 Chevy 1500 is located on the top of the engine. If the valve becomes stopped, the engine could idle rough or stall.
What causes your 1988 Honda Civic to sputter idle rough and act like it is going to stall?
Bad Valves or fuel pump usually from redlining the care
What causes a car to idle good and run rough when you give it gas?
What causes a car to idle good and run rough when you give it gas?
Why does Chevy blazer have rough idle and engine shake at idle?
Check the motor mounts.
Your 1997 dodge stratus 2.4L has a rough idle and wants to stall?
Check for a vacuum leak
Why do you have Rough idle 5.7 Chevy truck?
vacuum leak?
What causes high idle and then rough high idle when heater is turned on?
Vacuum leek
What causes a 1993 Nissan G20 to rough idle and stall out when put into gear?
The EGR valve or the Knock Sensor could be the problem here. Repairs run about $500.00 at a shop or do it yourself for about $250.00
Why would a 1998 Mercury Sable stall and idle rough?
check pcv hose elbow for vacuum leak.
What Would Cause a 1991 jimmy to idle rough and stall when you first start it all ready did the fuel idle sensor?
Try cleaning the EGR valve.
What could cause my 89' Chevy s10 blazer to start every time but want to stall until up to temperature and rough idle?
A vacuum leak would do that. Check the base gasket under the throttle body.
