Why does my GMC Sierra 1500 not turn over?

Why does my GMC Sierra 1500 not turn over?

My 2003 GMC Sierra 1500 won’t turn over. Checked the battery, it’s fine. “Reduced engine power” message shows on dash. Switched relays to check that with no effect. Radio works, lights work, blower mo…

Why did my 2005 GMC Sierra heater quit working?

2005 gmc sierra heater fan quit working. I lost the fifth speed months ago and a couple of days ago lost the other four, the first day the fan would come on sometimes while driving then quit after a while then come back on. Now it does nothing. I thought it might be the control since it lost the high speed awhile back.

Is the starter on my GMC Sierra not working?

There is no The starter on my 2006 GMC does not work. There is no indication that it is getting power but all the lights on the instrument are working.  read more Mike Shop Management

Where is the resister on a GMC Sierra heater?

It controls all 1-4 speeds, also it’s under the passanger side dash around fan, the 5th speed runs off a fuse the is located in the fuse box. It’s one of those square fuses , not the relays but fuses. The resister will run $15 and fuse $5 .

Are there transmission problems in my 2005 GMC Sierra?

Now, these trucks are getting older, and it’s very likely that your 2005 Sierra may be having transmission problems. Below, you’ll find a ton of troubleshooting your transmission problems. The 2005 Sierra was a carryover from the 2004 model year. First and foremost, it’s necessary to determine what kind of transmission is in the truck.

Why is my GMC Sierra not turning over?

First, the ignition switch sends electrical current from the battery to the starter solenoid. The solenoid then forces the gear in the starter housing to engage the engine. When the starter motor turns on and spins the gear, the engine roars to life. If any of these stop working, it means the starter won’t turn over in your GMC Sierra.

What should I do if my Sierra does not start?

Place the black lead of the multimeter on the negative battery terminal. If the battery reads less than 12 volts, charge it or replace it. If the battery reads higher than 12 volts, the battery is not the issue. If the Sierra does not start after replacing or charging the battery, move to the next step.

There is no The starter on my 2006 GMC does not work. There is no indication that it is getting power but all the lights on the instrument are working.  read more Mike Shop Management

What should I do if my diesel engine won’t start?

Because this engine is dependent on proper oil pressure to make the fuel injectors work, it is a must that the technician start by checking the engine oil level. In this case, the oil was at the top mark of the dipstick. The next step is to hook up a scan tool and select some important PIDs applicable to the injection system.

What makes a diesel engine start after a diagnostic?

If the engine has the proper compression, the proper cranking speed and the proper amount of fuel injected at the proper time, the engine will start. Before a technician can start on any diagnostic problem, he or she needs to be aware of how the system works.

Why does my 2005 E-350 won’t start?

The cause, starter would turn but the computer would not let the truck fire unless it saw “x” voltage. Probably not the case, but, it is an easy check and there is alot of vibration up there. Cowdoc – I had the same issue on my 2004 E-350, 6.0L. The problem continued from about 75,000 miles to 121,000 miles.

What causes a car to act like it has a bad starter?

Problems that might cause your car to act like it has a bad starter solenoid can include: Bad battery – If the battery voltage is low it will be unable to provide enough power to start your engine. Blown fuse – Sometimes the simplest explanation is the best one.

Can a bad solenoid be a sign of a bad starter?

Intermittent operation can be a sign of a failing starter solenoid. Other issues that present like a bad solenoid. Problems that might cause your car to act like it has a bad starter solenoid can include: Bad battery – If the battery voltage is low it will be unable to provide enough power to start your engine.

What did I do when my engine wouldn’t start?

In any event, the “flight recorder” showed that there was good HP oil pressure while cranking, but sensor signals were not getting to the PCM to tell the injectors to fire. The repair was the replacement of the engine wiring harness.

Can a Silverado Sierra run on 4 cylinders?

My ’11 Silverado is seamless. The only way I can tell it’s switching from 8 to 4 or back is look at the display. Changes in road service and gusty winds will make it drop out. Touching the gas will also drop it out of V4.

Can a Silverado run without the ignition switch?

Silverado stayed running without the key in the ignition switch Hopefully someone can help me out here? I have a 2008 silverado crew cab which i am recently having problems with.

What was the performance of the 2008 GMC Sierra?

Note: This performance review was created when the 2008 GMC Sierra 1500 was new. Despite having very good power and handling and numerous engine and suspension options, the 2008 GMC Sierra falls toward the middle of the class for its performance.

What are the trim levels of a GMC Sierra 1500?

The Active Fuel Management system available in four different V8s cuts the operation of four cylinders when they are unneeded and enhances fuel economy. The 2008 GMC Sierra 1500 is offered in five trim levels from basic to sinfully luxurious. The base model is the WT (work truck), and then, ascending the food chain, the SLE, SLE2, SLT and Denali.

What kind of stability system does GMC Sierra 1500 have?

The StabiliTrak electronic stability control system is welcome standard equipment on crew-cab models, and it is available on extended-cab models as an option. The 2008 GMC Sierra 1500 benefits from GM’s extensive reworking of both full-size pickups and full-size SUVs, and among the benefits are two distinct interiors.

What kind of mpg does a GMC Sierra get?

The 5.3-liter V8 gets 15 mpg in the city and 20 on the highway, while the Flexfuel version of that engine gets 14 mpg in the city and 20 on the highway when using gasoline, and 11 mpg in the city and 15 on the highway when using E85. The 6.0-liter V8 gets 13 mpg in the city and 18 on the highway.

What does rough idle mean on a GMC Sierra?

rough idle, stalling, loss of power. o2 sensor code 44 (lean) Replaced: coolant temp sensor, tps, map sensor, fuel filter, and o2 sensor. It will run normal on occasion but only lasts about 45 seconds or so.

What happens when the diaphragm is ruptured on a GMC Sierra?

If the diaphragm has ruptured it will literally be like putting a hose with fuel into the intake and running it full. When it initially started to go it probably slowly flooded the engine to where it seemed to run ok but the excess fuel created a ton of carbon coating the O2 sensor. Since no air could pass through it, it gave a false lean reading.

What causes a Chevy 350 to backfire when idle?

If a main vacuum hose such as the power brake booster feed line has broken or failing off it will cause a lean backfire due to the additional air allowed into the engine intake manifold. This problem will be accompanied by high or low engine idle and a harder to push brake pedal than normal.

rough idle, stalling, loss of power. o2 sensor code 44 (lean) Replaced: coolant temp sensor, tps, map sensor, fuel filter, and o2 sensor. It will run normal on occasion but only lasts about 45 seconds or so.

What was the problem with my GMC Sierra 1500?

Did have one cracked vacume line from the throttle body to the purge solenoid, also replaced. Seems to have plenty of vacume through out the system. Removed and inspected the egr valve, no excessive carbon build up and appears to be working properly, good vacume going into the solenoid, replaced the solenoid just for good measure.

If the diaphragm has ruptured it will literally be like putting a hose with fuel into the intake and running it full. When it initially started to go it probably slowly flooded the engine to where it seemed to run ok but the excess fuel created a ton of carbon coating the O2 sensor. Since no air could pass through it, it gave a false lean reading.

What does the fuel smell like in a GMC Sierra 1500?

If so pull the air filter off and sniff the throttle body for a fuel smell. If the diaphragm has ruptured it will literally be like putting a hose with fuel into the intake and running it full.