Q: If the intake manifold has a huge piece broken off of it will the car still start then cut off ?

asked by on

I recently discovered a piece of my manifold broken off while changing the rear valve cover,coils and plugs. I kind of made it way worse now it's two times bigger than before. When I try to start the car it starts then shuts right off. I'm guessing it's due to the vacuum leak. Any temporary fixes or only new installation is required ?

My car has 220000 miles.
My car has an automatic transmission.

If the broken off piece is admitting unmetered air to the intake, then yes that will have the effect of stalling the engine. A big initial concern is be sure no debris gets in there because anything in the intake will be sucked into the engine with potentially disastrous consequences. So, if you are awaiting a repair tape over the hole or somehow close it off. I was going to suggest taping it shut with duct tape so you can attempt to use the car temporarily but that is actually pretty risky because if the tape breaks free that itself will be drawn into the engine. Basically, the safest and most efficient thing to do is just get it repaired. If that is all that is wrong (or broken), it is no big deal and a certified Mechanic from YourMechanic could be dispatched, if you desire, to replace the intake manifold and gasket right at your home. The manifold is probably a dealer only item, so that has to be checked. Used manifolds might be available at lower cost via Car-part.com but the savings have to be substantial (at least 50% off new) to justify using a used part in this case.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. If the intake manifold has a huge piece broken off of it will the car still start then cut off ?

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Intake plenum

If the engine runs perfectly fine, this is likely not a spot for a vacuum hose. If a vacuum hose went there, the engine would run very poorly due to the major vacuum leak. I know that the 3.1L V6...

Q: How do you read the lines on the rearview monitor?

When you put your car in reverse and the rearview camera activates, the monitor will show you a picture of what’s behind you, overlaid with four lines of different colors. Understanding what they mean is critical to using this system...

Q: Warning chime sounding for no apparent reason.

It sounds like the door sensor could be bad. I would have a technician look at it to determine if it is bad. Another problem could be the ignition switch. There is a common problem with the ignition switch causing...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...