my sparkplugs are gaped to wide can that cause my car to surge and poor starting
the engine to stall and surge at idle
You probably have a dirty carburetor causing that surge.
Check your vacuum lines this usually the cause for a surge in engine speed when idling or running.
Engine overheating will cause the anti-freeze to surge into the overflow tank. A blown head gasket will also cause the anti-freeze to surge into the overflow tank.
Fuel filter plugged?Air filter dirty?weak fuel Pump?
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.
Try disconnecting the vacuum line at the EGR valve and plug it off with a cap or screw into the hose. The diaphrams get weak with age and seem to cause 99% of the surge issue. If not check the internal coil / power packs.
Any number of things could cause your vehicle to surge. You need to take your vehicle to a tune-up shop and have it diagnosed.
The RPMs and the engine of the 2001 Oldsmobile Alero might surge if there is a problem with the oxygen or fuel sensor. It may also surge if there is a problem with the fuel injectors or the fuel filter.
cranck sunser
Your 1994 Honda Civic will overheat when the thermostat is malfunctioning. The overheated engine can experience the idle to surge. The engine should be turned off immediately.