Common questions

What causes vehicle surging?

What causes vehicle surging?

If an engine is not getting enough fuel (this is called “running lean”), due to fuel pressure (regulated by the fuel pump and regulator), restricted fuel injectors, a vacuum leak or really anything that throws off the fuel mixture going in to the engine, this can cause the surge.

Why is my 5.3 liter engine surging but no code?

Most likely the problem is oil from the filter has coated the MAF so the MAF needs to be cleaned. If you need a CIA or open element filter look at a AEM dry filter other wise intall the factory filter. This may or may not be your current problem but I will bet a few bills that it will cause problems sometime in the future.

What causes Chevy 5.3 liter engine to surge?

Discussion in ‘ Community Campfire ‘ started by HighDesertWolf, Apr 30, 2009 . My 1999 silverado with the 5.3 engine. the motor will occasionally surge at crusing speeds between 40 and 60 mph. I figured out how to induce it by letting off the gas and quickly giving it 1/4 throttle and about half the time this will cause the engine to surge.

What should I do if my engine is surging?

There may be a fault in the computerized engine control system. Check engine control systems with a scan tool. Have a mechanic test the circuits and repair or replace components as required, since this is generally not a DIY job. The fuel filter may be partially clogged. This is an easy fix! The fix: Replace the fuel filter.

Can a knock sensor cause a car ECM to fail?

There’s also a knock sensor on the engine itself. While these sensors aren’t likely to cause any catastrophic problems, failures in these areas can cause your ECM to make unnecessary adjustments that affect your car’s performance. In these cases, though, the problem is usually with the sensors, and not with the ECM.

Most likely the problem is oil from the filter has coated the MAF so the MAF needs to be cleaned. If you need a CIA or open element filter look at a AEM dry filter other wise intall the factory filter. This may or may not be your current problem but I will bet a few bills that it will cause problems sometime in the future.

Discussion in ‘ Community Campfire ‘ started by HighDesertWolf, Apr 30, 2009 . My 1999 silverado with the 5.3 engine. the motor will occasionally surge at crusing speeds between 40 and 60 mph. I figured out how to induce it by letting off the gas and quickly giving it 1/4 throttle and about half the time this will cause the engine to surge.

How to fix a surging engine in a car?

Easy step by step guide on how to repair an automotive engine that is surging, this information pertains to most vehicles and is listed in the order of popularity. Start with the vehcile on level ground, engine “OFF” in park with the emergency brake set, wear protective gloves and eye wear for safety.

Why do I get a surging sensation in my Clutch?

Learn more Step 8 – When a clutch or clutches on a manual or automatic transmission wear they can momentarily slip which causes a surging sensation. If the clutch pedal is at the top of its travel with no free-play, this is a sign the clutch assembly is worn. Sometimes an automatic transmission service can help by replacing old burnt fluid.

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Ruth Doyle