Unanswered Questions

5,533 questions with no upvoted or accepted answers
7 votes
3 answers
2k views

Knocking valve sound after gasket replacement

I changed the intake gaskets top and bottom along with valve cover gaskets on my Ford F-150. After I finished it was hard getting started but I finally got it started and now it sounds like the valves ...
7 votes
2 answers
556 views

2002 Citroen Saxo - Clicking / tapping noise from inlet manifold

I have a clicking / tapping noise coming from the inlet manifold on my 2002 Citroen Saxo VTR (1.6 8v) I have manually adjusted the valve clearances (see this video to hear what the engine sounded ...
7 votes
2 answers
2k views

Repairing broken power steering pump mounts

I replaced the power steering pump in my Mercedes and after Two days the mounts which are attached to what looks like the engine broke off. Not the mounts on the pump. What is the best way to fix ...
6 votes
5 answers
2k views

why have car grounding strips disappeared?

When I was a child, I remember most cars having a grounding strip, like the one in the picture below: But nowadays, I don't see any car having them. What is the reason they have disappeared / become ...
6 votes
1 answer
749 views

Audible clicking at high speeds - what could it be?

I just recently started hearing an audible clicking sound in my 2015 Ford Mustang Ecoboost. I only hear it in 3rd and 4th gear and only when I'm at about 3.5k rpm and higher. (I originally just ...
6 votes
2 answers
511 views

VW Jetta GLI making intermittent grinding noise on launch

I just saw a 2007 GLI with 120,000 kms that I was interested in purchasing today. There were 3 issues that I need help with: Upon launching the car (gas pedal floored) I could hear some kind of ...
6 votes
2 answers
246 views

Power steering works normally to one side, but hard to the other

My Ford Mondeo was leaking from the steering rack. So it was repaired by a steering specialist. After about 1,000 kms it steers smoothly to right but when turning towards the left it feels like there ...
6 votes
1 answer
829 views

Audi A6 C6 on board computer is off

I'm not sure if it's something wrong with on-board computer or I just don't know how to turn it on. When the car is started the display is completely off. and only turns on sometimes when some kind of ...
6 votes
3 answers
333 views

What causes an engine idle to increase briefly?

I have an 82 Honda 450 Nighthawk motorcycle that I'm rebuilding and I need to tune/balance the carbs. I have them bench-balanced and reset the idle screw on both. Now it runs a lot better, but every ...
6 votes
1 answer
479 views

Seat Ibiza Electronic power control

I lease a Seat Ibiza 1.4 16V Stella and have an interesting problem. After 6 months the EPS light will show up occasionally. It's been back to the garage a few times for the issue where they reset ...
6 votes
2 answers
274 views

1993 Merc 300SE always stalling soon after startup, fuel pressure tests > 50psi

From the moment car starts to the moment engine stalls, which is about 40 - 60 seconds, fuel pressure is always above 50 psi. Can I safely conclude stalling is not caused by fuel system problems? I ...
5 votes
0 answers
2k views

On Board Diagnostics-II for Electric Vehicles

I'm learning about OBDII, and I'm wondering whether it is valid on EV's too. According to Wikipedia's PIDs article, the Service 01 PID 51 (or Fuel Type) has a value 8 that means that the fuel type ...
5 votes
3 answers
823 views

'07 Escalade - AC issues

2007 Escalade AWD. Yesterday, I noticed that the air conditioning keeps turning on and off. To clarify: the control unit does not indicate that it's turning off. I still have the fancy snowflake ...
5 votes
1 answer
270 views

Ford Probe '95, 2.0l, 85kw starting problems

I'm trying to diagnose why my car doesn't start. Hope you guys will share some ideas for what to test. First of all, the car started when towed by another car and holds idle, but as soon I press the ...
5 votes
3 answers
368 views

Can an 18V-5W Solar Panel Provide an Equalizing Charge for a Battery?

I recently finished a project in which I installed an additional cigarette lighter port on my car that was always on (the existing one was only on when engine was running), and connected a small solar ...

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