truck is doing weird stuff

Hi Every one my name is mark, I have been having some wiring issue like last night I was driving home and all of a sudden my lights turned off thank goodness I had a Bright flash light. then my truck started loosing power and back firing cause I was giving it alot of gas pedal cause I was not in a very good spot to park finely got the truck up about a 1/4 mile and found a spot to park but when I pulled in Their was this terrible grinding noise it was my starter was engaged so as soon as I turned off the key it stopped. turned the key back on and the started engaging again. so turned key back off then turned every thing off did not having any lights but I turned them off to. then turned key back on every thing seemed fine. then started the truck back up but as soon as I turned my head lights on the truck dies and the starter is trying to engage. so I left the truck came back in the morning and drove it home 40 miles with no problems as long as I did not use my head light. my truck is a 2000 toyota tacoma 4x4 2.7 I put a brand new engine in it 2 years ago the Nu 3 cyclinder had only 30 psi in the cyclinder . need help I am lost.

 

No worries!

Above my head, but our intrepid teammates are sure to jump in with a diagnosis!



: )B

 

YOU need a BEAGLE!

That will fix it right up!



: )B

 

Oh, and Welcome to TacomaWorld!

 

It's still Friday so expect some strange responses!

 

what kind of pics

 

LOL!! NEWB!

: )B

 

HA Ha!

Just funnin'!

 

Doesn't matter what kind!




Folks will pick them apart regardless!

: )B

 

I’d be checking battery cables, sounds like something is loose.

30psi in one cylinder could be a burnt or misadjusted valve, or a head gasket. I’d start by pulling the valve cover and checking valve clearances.

 

A beagle is the last thing anyone needs. Especially if you value your hearing

 

Charging circuit.

 

As mentioned, start checking for loose battery cables and grounds, since you replaced the engine I’m sure you know where most of them are. The wires are pretty thin, they can fatigue and snap at the terminal. After that I’d start tracing major connections, starter cable, alternator, fuses, any connectors you broke when swapping the engine that might work themselves loose, get your alternator tested.

When you swapped the engine did you replace things like major sensors (cam, crank, throttle position, etc)?

You’re doing cold/dry compression test? You can try pouring a little bit oil through the spark plug hole on cylinder 3 (wet test) and see if you get better numbers. If not, could be bad valve, cracked head. Any blow by (oil burning), any white smoke on startup (cracked head, blown head gasket) letting coolant into cylinder. Leak down test will give most transparency into compression reading.

You’re a big help dude

 

Was it wet weather or did you go through a car wash before this happened? I’ve seen some crazy things happen when water enters the cab and makes its way into the connectors in the kick panels.

 

You ain’t lying, my aftermarket radio always freezes until the truck warms up when it’s cold, you take a 22 year old truck and stuff starts getting glitchy.

 

Could be a bad ignition switch

 

Had a similar problem. Turned out my spark plug wire had a hole in it. The spark was going out of the side of the wire and hitting the block causing grounding issues and the cylinder wasn’t firing right. Screwed up all kinds of shit. The radio stopped working, the truck was bogging down the speedometer was bouncing all over and it was throwing a code for a cylinder misfire. Changed the wires, good as new. Start there. Sounds eerily similar.

 

Awwww yer beagle needs a BUDDY!



: )B

 

Seemingly non-related electrical issues usually indicate a grounding issue. Check your battery terminals and from there move onto the grounds.

 

the funny farm is always growing