Q: My truck cranks but won't start - 2000 GMC Sierra 1500

asked by on October 19, 2016

First the idle was rough in mornings until truck got warm, then one day it stalled and would not start (it cranks over). I changed fuel filter and fuel pump relay truck started and ran. Cleared codes by removing battery cable and now truck won't start. It try to run but stalls immediately after. Not sure if MAF sensor or something else

My car has 150000 miles.
My car has an automatic transmission.

Car is not starting Inspection $79.99 - $89.99 Get a Quote

Hi and thanks for your question. It sounds like a bad MAF sensor and, yes, a MAF sensor can cause a no start situation. When you disconnect the sensor, the car ignores the input and, in some cases, assigns a default value to the parameter which can cause the engine to stall out, or, in some cases, not to start again. I recommend replacing the MAF sensor and the MAP sensor and retesting the system. The MAF and MAP sensor work together with the computer parameters.

If you need assistance in troubleshooting the no start issue, then seek out a technician, such as one from YourMechanic, to determine why the car is not starting.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

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

What others are asking

Finding a rear axle leak on a 2000 Dodge

Normally it is either the gasket that is leaking at the back or the seal is leaking on the front pinion shaft where the drive shaft goes in and spins around. If you really want to find out what it...

The high beam dash light stays on after the engine is shut off and the key is removed.

I suspect that the high beam headlight relay has burned contacts, and is sticking and "back-feeding" power to the high beam indicator. It could also be a problem with the digital dashboards GM put out during these years. Disconnecting the...

Why does my car cut off when I lift my foot off the gas?

If you had a diagnostic test done and they said nothing is wrong, then what did they say about the stalling? I would say to have a qualified mechanic like one from YourMechanic come to you and do a real...

Car dies after about 30 minutes of driving

The ignition module failing after getting hot is the most likely failed part causing the stall. There can also be a problem with the fuel pump or sensors. I recommend seeking a certified mechanic, like one from YourMechanic, to come...

My alternator is failing could that cause my air conditioner to stop working

Hello. If your alternator is failing, this can cause many electronics in your vehicle to quit working. This includes the engine, the air conditioning, the radio, the windows, etc. Also, many warning lights can appear on the dash when the...

Check Engine codes P0310 and P0705.

The p0301 code could be caused by a bad spark plug or coil pack on the engine. I would have a technician perform a tuneup and test the coil pack to see if this clears up the misfire. As far...

Should my radiator be empty while pouring the stop leak for blown head gasket?

Hi there. Thanks for contacting us today. Based on what you've written, you probably did this correctly. However, it's quite possible that the damage to the head gasket is too extreme for these products to work. In most cases, a...

Car overheated and now it's shutting off. It cranks but won't start.

Hi there. If the coolant leaks out too much, the computer will see this from the coolant temperature and coolant level sensors and shut off the engine to prevent any damage to the engine. Check for the coolant leaks and...

Car has rough idling, occasionally seems it would stall

Hello. Replacing the fuel injectors will not cause this. If it only stalls at idle, I would clean the throttle body first. If it is dirty, then this will occur. If it is fine, then it may be an air...

Related articles

10 Biggest Car-Related Headaches and What to Do About Them
You You don’t want to, but if you're a car owner it's inevitable that at some point you will experience car troubles. It's also fairly certain that the machine you rely on will cause you grief when you least expect...
A Buyer’s Guide to the 2012 GMC Sierra Hybrid
When When you buy a truck – even a half-ton truck like a GMC Sierra 1500 – you expect to make a trade-off between hauling capacity and fuel efficiency, right? Well, the designers and engineers at GMC don’t think that...
Symptoms of a Bad or Failing Timing Belt
Common signs include a ticking noise coming from the engine, an engine that won't turn over, engine misfires, and oil leaking in front of the motor.