answersLogoWhite

0


Best Answer

an egr valve stuck open would cause this, i cant remember for sure if this engine has one or not though. more likely is secondary ignition problems(i.e. cap,rotor,plug wires,or plugs)

User Avatar

Wiki User

18y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What causes the idling problem of corolla 94 EFI?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Can a 1995 model Toyota Corolla be converted to EFI?

Can a 1995 model toyota corolla be converted to EFI?


What causes a 2004 Toyota Corolla to crank but not start?

i got no spark from coils and the efi fuse and relay are good. what other possibilities are there for a crank ,no start 04 corolla?


Does a 1991 Corolla EFI have a carburetor?

no efi stands for electronic fuel injection which takes the place of a carburetor


What is an EFI FHTR on Toyota Corolla?

EFI FHTR on a Toyota Corolla stands for the type of fuel delivery system the vehicle has. EFI means Electronic Fuel Injection. FHTR stands for Fuel Heater which means the engine is equipped with a block heater.


How do you adjust the idle on a 1994 Toyota Corolla 16L EFI when AC is on?

You cannot. As it is EFI, therefore controlled electronically, you would need to plug it into a diagnostic computer to access the idle speeds etc.


What is the spark plug gap specification for a 1997 Toyota Corolla 1.6?

1997 Toyota Corolla 1.6L EFI DOHC 4cylThe Spark Plug Gap.032 (In thousandths of an inch)


How do you adjust the idle on a 1994 Toyota Corolla 16L EFI?

you can't unless you have the computer to plug in the diagnosis port...it's all controled via the ecm!!!


How do you tell if a intake manifold gasket needs replacing?

Irratic idling condition is indication of intake/inlet manifold gasket leak. Change gasket immediately. This particularly applies to EFI engines. Newaz.


How much fuel pressure should a 1995 ford explorer have?

For a 1995 Ford Explorer , 4.0 liter , EFI , V6 engine : With engine idling ( 30 PSI ) Key On / Engine Off ( 39 to 40 PSI )


What is the fuse amp number for a fuel filter in a 1994 Toyota Corolla?

Filters are passive devices, they are notpart of any eletrical circuit. If you meant fuel pump, the fuse for the EFI system is 15 amps.


Which one is better EFI or VVT-i?

EFI, you cannot beat EFI over VVTI


If you break a timing belt on a 1991 Toyota Corolla with the 4- cylinder EFI will it bend the valves?

it is possible that the valve stems got bent depending on how many rpm's the engine was running at the time the belt broke.