Question about Cars & Trucks
Check your ground cables (both battery negative and engine/gearbox grounds) for any damage. Also you could try unbolting your earth straps and cleaning the contact surfaces of the strap and where it bolts too using a little bit of sandpaper then bolting them tight again
Posted on Feb 28, 2019
Your year--make--model didn't post for some reason? It makes it hard to look anything up.
Use a digital multimeter across battery posts, no jump, have helper crank it, how far does the voltage drop? Generic info says it shouldn't drop below 9.6 volts.
With engine cranking, all vehicle systems get battery voltage. Engine running, systems get alternator voltage, that is usually several volts higher.
There could be a voltage drop on the wiring or cables?
You can always check the basics, have helper crank it while you check for spark at the plugs, where applicable. If spark everywhere, use a gage and check proper fuel pressure and injector pulse.
Posted on Jan 07, 2016
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Posted on Jan 02, 2017
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