Why does my engine rattle in neutral?
There are several causes for the engine to rattle while idling. With your car, the heat shield or an under engine shield is most likely. The other causes are the AC compressor clutch, idler pulley, or belt tensioner.
What causes engine rattle on acceleration?
If you hear a pinging or rattling sound when accelerating, low-octane fuel could be the cause. Pinging (also called pre-ignition or detonation) can also be the result of carbon deposits, a bad knock sensor, overheating or incorrect ignition timing.
Why is there a rattling noise in my car?
If you notice a rattling noise coming from underneath your vehicle, a bit like a box of stones being shaken, this could be a sign that you have a problem with your exhaust system. This sound is often a warning sign of a faulty catalytic converter, and if this is the case, you may need to get a new one.
Why does my Toyota 4Runner have rough idle?
Also noticed that the manifold had a hairline crack between the back two cylinders and the front two cylinders. Around this time last year, my 4runner began to rough idle. It started gently and got progressively worse.
Why does my car rough idle all the time?
2 months pass and then I get the check engine light again, my car also began to rough idle even more. Ran a can of seafoam and the engine felt a bit more stable but not 100%. I though that the one or more injector (s) might be dirty or clogged. I ran it through 2 more tanks with seafoam just to make sure and it continued to rough idle.
How many miles does a Toyota 4Runner have?
I bought this 4runner from the first owner. it had 180,000 miles in it for 3,500 and boy did it run smooth. Before this, we used to have a the same ’98 4-cyl. model until it rolled over which was totaled (no injuries whatsoever). So when I bought this 4Runner I knew almost all the specs and how to do all the maintenance when I bough it.
How much does it cost to clean a Toyota 4Runner?
Total cost was about $280 with a couple of cleaning sprays. Took out all the intake, wires, engine cap, injectors, manifold. then I loosened out the distributor from the top block and laid it out on the side, same with the power steering canister and pump.