Why does my car make a knocking sound when I accelerate?
Paying attention to how you drive, you will notice that the issue gets worse when you accelerate. The engine knocking sound is a result of multiple detonations due to incorrect ignition timing, an incorrect air to fuel ratio, or a malfunctioning sensor. Second, another reason for the engine knocking sound is rattling accessory pulleys.
What kind of problem does Mercury Mountaineer have?
Mercury Mountaineer 2004, AWD, V8. Bought this used with 40k miles on it. The engine dies (dead) when using the cruise control. control, several minutes pass by and suddenly the engine is dead. Most of the warning lights in the instrument cluster come on.
When does a Mercury Mountaineer start stall idle?
Amazing I have a 2002 Mountaineer V8 with the same issue, started 3 yrs ago. Mercury/Ford claims they have never seen this before. Mainly stalls when car comes to a stop sign in the mornings, never had a high speed stall. I have replaced fuel filter and air control valve.
What happens when you knock on your engine?
If this continues over several cycles within your engine, other parts of your engine can be severely damaged or even completely destroyed. The most common negative effect of continuous engine knocking is particle wear, causing erosion or abrasion in the engine. It can also cause failure by melting holes in the piston or cylinder head.
If your car makes noise when accelerating, it can be a problem like a worn-out clutch disc or wheel bearing. That can be a clutch problem in a manual transmission, an automatic transmission issue, a worn u-joint or CV joint, or something in the brakes, suspension or steering.
How much does it cost to fix knocking engine?
On average, expect to spend between $2,000-$3,000 for both parts and labor. Usually, the job consists of replacing the seals, gaskets, connecting rod bearings, cylinder head bolts, and flushing out the engine and cooler lines.