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At this point I'm going to say the timing belt slipped from me always being near fuel cut. Damn redline.

Well if the fuel filter change doesn't fix it, I'll pop the cat off and hollow it out. Problem solved.

I passed barely into the test. The numbers were like 1/1000th of the maximum level. I put a can of seafoam in the fuel and it runs better now. Still suck, but not as horrible. Tried to do the fuel filter last night but I didn't have time to jack, and it turns out I can't roll up the ramps...

Well, I passed emissions last month, so I'll rule out the cat for now. Alternator may be messed up, battery may be dying? What's the proper running voltage across the battery's terminals? Positive-to-ground measurement for this? It's like 13-14V right? Battery at no less than 12? Edit...

So when I gave the car just a little gas to cruise at low RPMs, but still have some throttle, it would go "whum whum whum whum" o.o (yes, very descriptive) Now it's starting to do it under more power. The engine shakes violently. I checked the oil, it's fine (possibly high?); temperature's...

Well ALL my fluids are fine, checked the levels. Yay :) I wonder if I can autocross without fixin' it...

Nods. Prior owner did an engine swap, never refilled the tranny, and I found this weekend that I had been running for months with an empty transmission (bone dry!). This is why it took FORCE to get in and out of reverse gear. Now when I shift it feels like I'm shoving the stick through a glob...

Do I need the stethascope with the pointy needle to isolate the source of the problem, and just replace the component?

My 95 Cavalier is making a pop noise when i turn the wheel all the way. Rotate completely right, it stops; give another turn, just a little, and there's a loud grinding POP! Rotate back until it stops, then right again, no problem. Rotate all the way left, then another shove, POP! Rotate...

Have you considered being a car salesman? I imagine my attempt to buy a Jetta going like this: "Ah, okay. And you want a 6 speed? Actually you should get the automatic; it lets you shift gears just like a manual! You definitely want that instead!" Ensuing half hour argument, me punching...

Yeah. But in the UK you have lots of options. In the US we don't get diesel much, is my point. I'm being encouraged away from it too.

You're in the UK. My choices here are an Audi A3, some time at the end of 2009, when Audi introduces diesel; a 1970s VW Rabbit; or a VW Jetta. Other than that, pickup trucks sometimes come with diesel, but only the really big ones (small pickup trucks only run on petrol). Oh, VW also makes a...

Nods, I think I'll keep it light. I could lower it, do a cooling bypass for the air intake (cold air), add a cold air intake, change the exhaust system (manifold, high-flow cat, muffler, etc), and the like; but I'm not into running my car on rice water. If I toss that 20lb bag of rice in a...

I'll make this simple for you. We drive automatic here. Stick shifts are somewhat rare. Some people even believe it's more expensive to work on a manual, because mechanics don't know how, and need a specialist (bull#!#!#!#!). The roads are too dangerous. The government decreased driver's...

In other words, it'll make it more likely that, when faced with highway-car-operating (you can't call these people drivers) morons do a FAST lane change into the same spot I'm doing it into, with no signal, when i'm already 2/3 of the way into MY properly-gradual lane change, I can avoid certain...

If I got an ECU remap, it'd be to smooth out the power curve (is this even needed?) and improve fuel economy without dropping too much engine power. 237ftlb is quite enough. I could even go for a 220ftlb peak. The thing will run 1800RPM cruising around 70mph though... with an 1800RPM peak...

Higher boiling point. It's cheap insurance. My thinking is: If I use my brakes too much (on a steep hill), at least the pads will fail before the brake fluid. This probably won't happen; I downshift for control. If the brake lines are faulty and water starts getting in, the brake failure...

It's easy enough to get really high gas mileage. The problem is you get huge emissions of NOx, and you damage the engine (temperature problems, corrosive chemicals, whatnot). All known methods besides switching to diesel or using hybrids have these problems. Well, or aerodynamics. Or...

I'm considering doing something called a "Porsche Kit" in a few years, when I have more money and possibly a garage or house (yeah, I can rent a garage... $80/mo, I gotta convince landlord to let me install a $2000 9000lb lift, maybe I can sell it to them). I've heard of such a thing. I can't...

Because the only used cars I can find that come loaded the way I want are $21000, and new they're $23000-$26000 (depending on if I get a sunroof). Half the time they break $19000 being 2-3 years old with CLOTH seats, and MOST of them have an automatic (I can't drive automatic, yes I said that)...

I'm not sure what's in the 2009 Jetta TDI. The 2005 Jetta TDI GLS I wanted was sold before I could get the money together ($3000 down payment, I needed a month), so I've decided to buy a brand new one. I'll void the warranty immediately. So I'm thinking, I want to do some upgrades. A better...

Yeah, a friend of mine offered me his VAGCOM computer and license for some $200 or so, problem being I don't know how to use it (well ok, plug in, adjust numbers, but... yeah). I'm looking around 2001-ish, my eyes are on a 2003 today because the 2001 I wanted got sold. Of course, I don't have...

150ftlb@1900RPM; I don't care much for HP, it's a meaningless number. For any point on the torque curve, (HP = TQ * RPM/5252). So the peak torque 150ftlb@1900RPM is 54.25hp@1900RPM, just about. If it holds a steady 150ftlb up to say 3000RPM, or only drops as low as 140ftlb, the peak HP will...

I've never done an ECU remap and don't know much about the basics. There's not going to be a power x economy slider in there or anything nice, so I'll need some low level understanding of engine dynamics to do anything I guess (unless I want to blow up the car). Mostly what I want is to get a...