What to do if your GM pick up has no start?
One of the most overlooked areas, when testing a hard to diagnose no-start, is the mechanical condition of your 4.3L, 5.0L, 5.7L GM pick up, van or SUV. Checking the engine mechanical condition means an engine compression test.
Why does my GM 4.3L engine not start?
No Start Condition Basics There are three very basic components that the engine, in your GM vehicle, needs to start and they are: Air, Fuel and Spark. When your 4.3L, 5.0L or 5.7L GM vehicle cranks but does not start, it’s because one of these components is missing from the mix.
Can a GM car still start with a misfire?
If you have one or just two readings that are under 90 PSI your GM vehicle will still start and run, albeit with a misfire condition. I’ve written a ‘How To Do a Compression Test’ article that you may find useful.
Why is my GMC Sierra 1500 stalling out?
No change. Next, read somewhere that bad ground wire on Thermostat housing can cause ECM issues. Checked it, cleaned it off, verfied that contact wanhers are all steel and attract a magnet, reinstall the ground wire.
Are there any changes to the GMC Sierra 1500?
New distributor comes with new ESC electronic unit, pickup coil, cap & rotor, also. No change. Next, read somewhere that the fuel pressure regulator diaphram if split could cause flooding. rebuilt throttle body unit, rebushed it and boiled it out and added rebuild kit and brand new Borg Warner injectors.
No Start Condition Basics There are three very basic components that the engine, in your GM vehicle, needs to start and they are: Air, Fuel and Spark. When your 4.3L, 5.0L or 5.7L GM vehicle cranks but does not start, it’s because one of these components is missing from the mix.
One of the most overlooked areas, when testing a hard to diagnose no-start, is the mechanical condition of your 4.3L, 5.0L, 5.7L GM pick up, van or SUV. Checking the engine mechanical condition means an engine compression test.
If you have one or just two readings that are under 90 PSI your GM vehicle will still start and run, albeit with a misfire condition. I’ve written a ‘How To Do a Compression Test’ article that you may find useful.
Why does my car not start when I Turn on the ignition?
The most common causes are in the ignition (for example, a bad ignition coil) or fuel system (for example, a clogged fuel filter). However, the source may also be a mechanical fault (for example, a leaking valve), or faulty components in other systems.
How to bypass the PassLock sensor on a 2002 Pontiac Grand Am?
This web page will guide you through the steps necessary to bypass the “Passlock Sensor” on a 2002 Pontiac Grand Am, and keep the “SECURITY” light off forever. The steps necessary are similar on the other models listed above. There are generally only minor differences in how to get the radio out to get to the wires.