I was reviewing this question in which the OP presents a repair quotation that includes replacing the "intake camshaft" to fix an engine that had overheated.. To me this recommendation is incredulous. In some cases, it can cost as much as $6,000 to replace a bad engine. Nevertheless, on most vehicles can go 80,000 to 100,000 miles before requiring an ignition coil replacement. Or it could be that one of the lobes on the camshaft is worn off. Many ignition coils offer a plug-and-play design, making them easy to replace. Still no change,thats when we were told bad engine due to low compressions especially on 3 and 5 cylinders. Learn how to diagnose a bad ball joint for both an upper and lower control arm. Another symptom of a bad or failing ECU is erratic engine behavior. We were going to replace the engine when the other mechanic decided to If this is not the problem, it could also be a bad spark plug or plug wire (check this first, it is easiest and cheapest). Engine stalling or misfiring. we changed the coil pack. How to check ball joints and ball joint noise. Preamble (Rant). How to Tell if a Circuit Breaker Is Bad. (random multi misfiring),. Lastly, if the rings on that piston are worn out, the whole engine should be replaced or rebuilt. Additionally, engine heat and vibrations can cause damage to ignition coils. A transmission jack and engine support are needed to support the engine while the engine mount is replaced. It might, however, make sense to rebuild the engine in a car that's on the newer side. How Do You Replace a Damaged Ignition Coil? Generally, it is expensive to replace the engine mount since the engine mount itself supports the engine. I did an engine replacement that went just fine at the dealer for $2500 and did another that was a disaster and continual problems. In most cases, an overheating condition or broken oil pump will cause internal components to fail, which can result in a non-operable car that will require a new engine or engine rebuild.. Most catastrophic engine failures can be avoided through routine service and maintenance. After they replace the piston rings, they must reassemble the engine and install it back into your vehicle. Since the piston rings are inside of your engine, this means an auto mechanic will need to remove the engine from your vehicle and disassemble it so they can access the worn-out piston rings. On your engine, the camshaft is also in the head. Although it might seem easier and more cost-effective to replace your older engine, the truth is that even if … We take a look at auto stop-start systems in car engines; what some of the main disadvantages are and whether or not they’re bad for your engine. It just wouldn't make much sense to spend that kind of money on an older car. A faulty computer may cause the vehicle to intermittently have issues such as stalling or misfires. An engine will keep running even if an O2 sensor needs to be replaced, but it will burn more fuel than usual. On average, it cost about $150 labor to replace each engine mount on a typical economical passenger car. I can understand the need to replace a warped cylinder head, but struggle to see how an overheating problem could lead to the need for a new camshaft. If you have a circuit that keeps tripping whenever you use electronics, it may be time to check if your breakers need to be replaced. Yes for a couple thousand you can replace the engine but there is no guarantee that the work will be satisfactory and that you won’t have a hassle to deal with it. 1 said my engine assembly needing replacing due to an unhealthy engine, (codes 0P303 and 0P0305 as well as 0P0300,. 2. It cost about $ 150 labor to replace that kind of money on an older car make! 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