Q: Q: Car does not start

asked by on

'94 celica gt. new head gasket installed. all wiring and hoses hooked up. battery charged, engine turns over but won't start. started and ran rough before gasket repair

My car has 193000 miles.
My car has a manual transmission.

This may be related to many different possibilities, some of which may be related to a lack of spark and some of which may be related to a fuel delivery problem or a combination of both. For example, if the ignition coils, crankshaft position sensor, spark plugs, spark plug wires or ignition module are faulty, this may cause the motor to not produce the spark needed to ignite the fuel in the motor. If there is a fuel delivery problem, this may be related to low fuel pressure, faulty or dirty fuel injectors, a faulty or dirty idle air control valve (this relays information about air intake to the computer which makes fuel adjustments), or potentially a faulty fuel pressure regulator or fuel pump. Fuel delivery problems will typically not allow the proper amount of fuel to be delivered to the cylinders which results in a lean fuel condition which can cause backfiring or simply cause the motor not to start as a result of fuel starvation. I would recommend having an expert from YourMechanic come to your location to diagnose your no start problem.

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. Q: Car does not start

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: inner Cv axle wont come out?

You will need to get the axle removal tool at a parts store and hook it to a heavy duty slide hammer. Give it some good raps with the slide hammer with the tool behind the axle joint. This should...

Q: Dealership says water pump needs replacing

With regard to the dealership, or any mechanic for that matter, simply ask for the evidence substantiating the diagnosis and proposed repair. In the case of an alternator, once the drive belt is removed from the engine, and the engine...

Q: I was driving and my car started making a clicking sound, which got worse.

Typically a clicking sound is caused by metal-to-metal contact, caused either by a lack of lubrication or metal fatigue; which may have been caused by overheating. If the sound is coming from the engine, and increases as the engine revs...

Related articles

P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
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...