**Testing and Diagnosing Issues with Your Car's Electrical System**

If your car is experiencing electrical issues, it can be frustrating to diagnose the problem without the right tools and expertise. However, by following a systematic approach, you can identify the issue and potentially save money on repairs. One effective method is to swap out individual components, such as spark plugs or fuel injectors, and test them under load to see if they are functioning correctly.

For example, if your car's engine computer (ECU) indicates that one of the cylinders has excessive resistance, you can swap out the spark plug and fuel injector for that cylinder to see if the problem persists. This approach allows you to isolate the issue and determine whether it is with a specific component or a more widespread problem. By using this method, you can identify the root cause of the issue without having to spend money on expensive diagnostic tests.

**The Importance of Regular Maintenance**

Regular maintenance is essential to extend the life of your car's electrical system. This includes checking and maintaining the battery terminals, charging system, and electrical connections. A well-maintained electrical system will function more efficiently and reduce the likelihood of costly repairs down the road.

In addition to regular maintenance, it's also important to keep an eye on your car's oil levels and change them regularly. According to Scotty, a seasoned mechanic, "You should be changing your oil every 5,000 miles to keep your engine running smoothly." He also recommends checking the frame of your car for any signs of rust or damage, particularly in areas where rocks may have hit it.

**Jeep Wranglers: A Mixed Bag**

When it comes to Jeep Wranglers, opinions are often divided. While some owners swear by their reliability and off-road capability, others warn against purchasing a new model due to potential issues with the ECU. Scotty notes that newer models may be more prone to problems with the computer system, which can lead to costly repairs.

That being said, there have been instances where Jeep Wranglers have held up well over time, even after significant modifications and repairs. One owner, who purchased a 2008 model for a fraction of its original price, was able to repair it and sell it for a tidy profit. However, Scotty advises against purchasing a new Jeep Compass, which is being manufactured in Italy.

**Parasitic Leach Draw from the Battery**

When your car's battery drain becomes a problem, it can be frustrating to diagnose the issue without the right tools and expertise. According to Scotty, the best way to diagnose parasitic leach draw from the battery is to use a meter to measure the amperage of each fuse one at a time. By using this method, you can identify which fuse is causing the problem and take corrective action.

Scotty recommends checking out his video on "Fixing Battery Drain" for more information on how to diagnose parasitic leach draw from your car's battery. The video provides detailed instructions on how to use a meter to measure the amperage of each fuse and identify the source of the problem.

**Jeep Wrangler Frames: A Matter of Durability**

When it comes to Jeep Wranglers, the frame is a critical component that can affect the overall reliability and durability of the vehicle. According to Scotty, some newer models may have frames that are prone to rust or damage due to manufacturing defects.

One owner reports that their 2008 Jeep Probe leaned to one side after being rolled over in an accident. However, Scotty suspects that a more likely cause is a broken spring or bent control arm, which can be identified through physical inspection rather than relying on laser alignment machines.

**Modern Mechanics: Not Always the Best**

While some modern mechanics may claim to use advanced technology and diagnostic tools, they often lack the fundamental knowledge and experience required to properly diagnose and repair complex problems. According to Scotty, a real mechanic should always look at the physical components of the vehicle before relying on expensive diagnostic tests.

By taking a more hands-on approach to diagnosing and repairing issues with your car's electrical system, you can save money and potentially avoid costly repairs. Remember, regular maintenance is key to extending the life of your car's electrical system, and by following the right procedures, you can identify and address problems before they become major issues.

"WEBVTTKind: captionsLanguage: enrev up your engines hey Rich it's Scotty I watch your video last night the evolution of gas stations surprise the convenience stores make more than their pumps do you ever go to that Bucky's wall in Houston oh yeah I've been there you know but no that's not surprising at all you don't make much money on gasoline the actual station my old man ran gas stations when I was a kid all the time and so I learned how to fix cars right and he was only making pennies per gallon the guy who owned the business made the money right and every week the guy was trying to raise the price he'd lower it a little and they'd try to raise it so he can make more money for himself we made our money wasn't a convenience store in those days we made our money fixing the cars that's where we made money my grandfather was a main mechanic I worked there we made our money fixing cars and a stranger that may sound selling cigarettes because in those days they had cigarette machines and anybody can come and put in change buy the cigarette smoke and walk out right we also had a pop machine that we made money on but that was it that was long before the day of convenience store now yeah the convenience look at the prices of stuff and convenience stores of course they're making a fortune in those things they really want to get you into buy stuff now they got donut shops in there you name it just about everything so some of them have delis in them that's where they make their money not selling the gasoline it's the gas company itself that makes the money selling a gasoline not the middle name accelerate says Scotty got a VW 1.4 liter engine there's a tiny leak in the cooling system the level drops below minimum after 2 000 kilometer mechanics said it could be fixed with the sealant liquid what do you think depends where the leak is I like the bars liquid sealant it works quite well and let's say you got a tiny gasket leak like on the water pump or on the exterior of the head gasket it's on the interior forget it too much pressure of the engine burning gasoline explosions with a lot of pressure right but if it's on the outside of the gasket between the outside and a water cooling hole sealant will often fix that I'd say give it a try you don't want to do it with dirty coolant never put sealant in the system with dirty coolant first flush the coolant out put in the thermostat everything and then put the sealer in and see what happens and a lot of times it will work I fixed many cars that way Anthony goodier so Scotty it's now the time to buy a Crown Vic or should I wait for prices to fall all right well they don't make Crown Vics anymore so if you can find a diesel when I say go ahead and buy it you know there's big old Panther platforms or the V8 engines and the later model ones on the highway could get 20 something miles a gallon they weren't gas hogged on a highway they were they were decent cars I'd say if you can find one they're old people's cars so somebody dies there's an estate sale if you find one go look a gift horse in the mouth and buy the thing but if they're too high priced weight you know you never know don't get a two two old one because they are Fords and if they're 20 30 years old let me tell you the rubber's all gonna rot the electronics is going to start shorting on cracking you don't want a really old one Honda fan one two three says Scotty is changing my oil every three thousand miles Tucson well that depends what kind of oil are you using if you are using conventional oil not a synthetic oil no three thousand is fine but a fusion synthetic go to Five Thousand Mile oil or the other disclaimer would be you got to change your oil once a year so if you only drive 3 000 miles a year yeah change it once a year most cars today are going to use full synthetic oil I had advice changing them every 5 000 miles or once a year that's all you need to do and buy a quality oil filter the cheap oil filters are only good for three thousand the good of filter is going to go up to 10 000 miles so if you're going to change it five get a good oil filter too Peter Grant says Scotty how good are Foxwell scan tools with Bluetooth I've actually tried them out they are decent scan tools now they are nothing like the autel scan tools they're a lot cheaper too yeah what do you want to pay for what do you want to get I got a Foxwell scanner the company sent me I think it's like 180 dollar scan tool it's a pretty cool and as fast or accurate and it's updated all the time realize the Foxwell stuff you would you buy is what you get They Don't Really update much ever with my autel every week I check and there's almost always different updates so I can update so you can get the newest information if you want a better one I'd get the October are okay not great but they're okay and most of them are lower priced ones and that's their Mark a towel is more into guys like me real mechanics and they'll want maybe a 450 one for doing quickie stuff and then they'll get the five thousand dollar one for the real serious in-depth analysis where they also have oscilloscopes Freeze Frame generators have all kinds of equipment go to the internet and go to Data Systems and give you how to actually check each sensor on the screen step by step with pictures you know I mean how far do you want to go it's also how much do you want to pay crowbro says Scotty what American car would you buy if you had to an old one give me an old 60s Mustang I could fix something tool around it and I have some fun with it you know I wouldn't buy the new ones I don't like the quality of their stuff I just don't it's not there and if I'm spending my hard-earned cash believe me if somebody smashes into one of my cars I'd probably go out and buy a Toyota Corolla hatchback or a Toyota Camry that still has an actual eight-speed automatic transmission and not a cvtr i road tested at RAV4 2023 and went to Death Valley and uh I loved it on the highway going 50 it got 55 miles a gallon because that HP transmission on a four-cylinder engine and it wasn't a hybrid so I was impressed nightshock 76 says Scotty how do I check if I have a bad spark plug coil there are many tests you do from static testing measuring the resistance to Dynamic tests where you hook up a freeze frame a solo scope la la la goes on very complex crap right but let's say you have a bad coil I have your computer and you know your check engine land you'll say misfire cylinder number two okay so if you think it's the coil take this cylinder number two coil off of the car put it on cylinder number four put the number four on number two erase your codes and take a third drive and then if the check engine light comes on and it now says misfire cylinder number four the only thing you did was put coil two on four you know the coil is bad that's a super Dynamic test that's better than anything you can do sitting there with machines and analyzing and wondering is this waveform right now it's a very easy thing to do just swap them because if one fits the same as the other and if it moves you know it's that if it doesn't then maybe it's the fuel injector if you have something that you're able to have a car that's got four parts if it's a four cylinder all the same on each cylinder you can just swap them back and forth and then you can figure what's wrong without having to spend any money at all and have it tested correctly rather than gee you know is this is this resistance ohm correct or not because they're never perfect let's say it says well it's got to be 200 ohm resistance and oh it's 220 is that too much or not no swap one to the other and then it's a real Dynamic test it'll tell you if it's good or bad Grace love said Scotty what's your thoughts on Jeep Wranglers 2008 year okay I'm not a Jeep fan grandson got one and man he got it cheap fixed it and sold it to a guy made like fifteen thousand dollars on a deal it was well made the guy rolled it and crushed Parts he fixed the crush parts and sold it on I mean they can be okay the old ones I wouldn't touch a new one with a 10-foot ball stellanus took over it was bad enough when Fiat took over but then stellanos took over and they're really horrible vehicles and now they're going to be making Jeep compasses in Italy that would be Italian vehicles but to call them Jeep compasses all completely made in Italy so stay away from those hey it says what's the best way to diagnose the parasitic leech draw from a battery watch my video fixing batteries drain on your car it'll explain it off the absolute best way is relatively complex you get yourself a meter you hook it up to see how much draw each particular fuse has and there's a chart you can watch my video it explains it all there's a chart you measure them one few use at a time and it's a chart to say here's what this should be for this particular amperage fuse and if it's over that then that's where the draw is in the old days we just put a test light and the test light's on then we'd pull the fuses one at a time but unfortunately modern cars are so complex they have so many computer parts that pull in the fuses doesn't work like it used to you really have to test each single fuse by the map that I show in the video and then have the chart it's a free chart you can get it online I got mine built into my phone now so I can just look it up quick and that's the most accurate way to do it Daniel Works assess Scotty I got an O3 Tundra with a new frame what do you recommend to make it last well the conjures are great the only problem with some of those frames and those years rot you got the new frame a lot of people actually got free new friends in Toyota I met a guy and he went to Chicago and he said they had a warehouse full of these frames because they built some of the frames wrong and they rotted away and Toyota fixed a bunch of them free if you got one of those great just keep the frame brush free it's a good frame now but watch it and if rocks hit it and chip off the paint re-coat it so that it doesn't start rusting you shouldn't have a problem because the new ones are made better than the old ones just keep changing the oil every 5 000 miles you know take care of it like any other vehicle do watch the frame that if you see chips when rocks hit them and if it knocks the coating off it can start to rust and you can just have the little can of primer spray and spray over it check it every once in a while Rocky highway road says my Ford Probe leans to the right mechanic says the lasers show the frame is aligned what else could cause this okay well the guy says the laser show them that means he's one of those modern mechanics he doesn't know crap about cars they bring in they put it on a line machine it has lasers oh it's lined right okay your car's leaning you got to look at the physical things first right your Springs and the coils could be shot and one side's broken so it's going to lean to that side control arm could be bent all kinds of suspension things can make it lean to one side you don't put it on a machine and say well the lasers say it's okay that's the problem today these guys call themselves technicians right oh I'm not a maternity I'm a technician I'm not a garbage man I'm a sanitation engineer right hey I'm a mechanic a real mechanic looks at the physical stuff first you don't start with a laser alignment machine you start by looking at the physical stuff and in that case it's probably a broken spring or a bent control arm so if you never want to miss another one of my new car repair videos remember to ring that Bell foreign\n"