2
votes
1answer
868 views

What exactly is OBD Calculated Load?

OBD Calculated Load is defined as: LOAD_PCT = [current airflow] / [(peak airflow at WOT@STP as a function of rpm) * (BARO/29.92) * SQRT(298/(AAT+273))] But when I am in neutral and I open the ...
1
vote
2answers
61 views

Battery/alternator on 99 Chevy Prizm?

My car was running fine (no lights/warnings). The next day I tried to start it and it was completely dead not even a click sound like normal battery is going bad kind of thing. After I got it jumped ...
3
votes
1answer
1k views

How long will my motor last having clogged catalytic converters?

My catalytic converters have been clogged for awhile, and the o2 sensors need changed because of this. What is it doing to my engine? And gas mileage for that matter? If i take out my ...
4
votes
2answers
4k views

Manual transmission difficult to put into gear. Do I need a new clutch?

I have a 1998 Jeep Cherokee Sport, manual transmission (the 6 cylinder model, I believe 4.0L). It has 4 wheel drive. I've lent the car to some friends recently who were 'rusty' with their manual ...
1
vote
1answer
138 views

Can I use Mercon V as power steering fluid?

My manual for my 2001 Ford F-150 (4.6L v8) says that the transmission fluid is "Mercon V". For power steering fluid it lists "Mercon". I can't even find something on the shelf listed as "Mercon". I've ...
3
votes
1answer
996 views

2005 Ford Escape Airbag code 16 - corrective actions?

We have a 2005 Ford Escape XLS that has the airbag light on the dashboard illuminated with error code 16. After some searching I found how to get the error code by counting the sequence of flashes ...
1
vote
0answers
111 views

Car Jerks Early Morning

I have a 1994 Volvo 440 2.0i Manual. I noticed lately that when I start the car in the morning sometimes the engine runs normally but the moment I engage the gear to move, the car begins to jerk. ...
2
votes
3answers
569 views

Does the size of engine cylinder affect the efficiency?

I mean that, if cylinder have a design in which piston can change its working area alternate. Is there any chance to affect the burning ratio in loss or profit to efficiency?
1
vote
1answer
594 views

Risks of “excess and lack” of Engine oil

I ride a Honda Stunner CBF 125 CC daily for approx 30 kms, with an average speed of 45 km/hr. I noticed that my motorcycle has been consuming too much engine oil like it not used to few years ago. ...
3
votes
1answer
53 views

Why would I feel disbalanced or thrown around when riding a motorcycle

I have a Yamaha XJ600N, and at various points of time when riding around in the city at 50 to 60 kph I have had this strange feedback from the wheels or suspension that makes me feel either slightly ...
3
votes
2answers
96 views

Over heating problems please help

Hi I have a 2001 Ford Explorer that is over heating. I don't know what is causing it. I just replaced the radiator, water pump and the thermostat. It was fine for a few months then my girlfriend was ...
0
votes
1answer
89 views

Switching off the AC before turning off the engine to increase longevity - urban myth? [duplicate]

I was riding with a friend and he insisted that it's better for me to switch off the AC before turning off the engine because when you turn on the car the AC won't get switched on with it and the ...
4
votes
2answers
25 views

1997 1.8t Audi Quattro - using coolant

I have an issue with my 97 1.8T Quattro using coolant. I've checked for external leaks and can't find any. The engine oil is still clean. Has anybody had this issue before? Is it possible for it ...
2
votes
1answer
552 views

How to find a used car with telescoping steering wheel?

I need a car with adjustable steering wheel distance. I need to pull the seat all the way back and if I do so, my arms are straight. It makes driving very uncomfortable. People selling them are not ...
1
vote
1answer
34 views

2004 Chevy Silverado 4.8 check engine light on

Codes are: P0101 mass air flow circuit failure. P01071 bank 1 lean and P0174 bank 2 lean. Did a replacement of the intake manifold gaskets and a fuel injector de-carbonization service. After 40 ...
2
votes
2answers
119 views

Steering wheel vibration at 60+ MPH

I recently purchased a new set of tires for my 2007 Frontier. Capitol Precision Trac are the make. Before I replaced the worn tires my truck never shook and was always smooth no matter the speed. ...
4
votes
1answer
75 views

Do directional tyres need less tyre rotation than non-directional?

A few years back, I've been told by a tyre salesmen that directional tyres need rotation more often than non-directional ones, like every 5k miles or sooner, since they can only go back and forth, so ...
3
votes
2answers
140 views

Does more frequent tyre rotation make tyres last any longer?

Say, one gets new directional tyres that are warranted to 60k miles and have 11/32" of tread when new. If one rotates them at 20k miles (if directional; otherwise, at 10k, 20k and 30k, if ...
3
votes
1answer
1k views

How do I retrieve the check engine codes without a scanner for a 1999 Dodge Ram Van 3500?

I'm sure the answer to this applies to many models of Dodge and probably Chrysler, Jeep, and Plymouth, too. I found the answer for newer (2001 Ram truck) vehicles but nothing I've found works on my ...
2
votes
1answer
310 views

Is it possible to check if the fuel filter on a Yamaha XJ600 is getting clogged?

Right after buying an used Yamaha XJ600N, I found that the rust in its fuel tank had clogged the fuel filter causing the motorcycle to lose power and until the engine died. The service station cleaned ...
8
votes
7answers
1k views

Is shifting to neutral on a decline more fuel efficient than keeping the gear engaged?

I always had the habit of shifting to neutral on long declines and using the brakes to slow down as needed. Intuition made me believe I'd be saving fuel as opposed to keeping a gear engaged. However, ...
2
votes
2answers
29 views

Is a loose part on a 1995 Mercury Tracer important?

I just noticed a loose part on my 1995 mercury tracer trio. Honestly, I am unsure of the name of the part and its importance. It's the black plastic piece under the front bumper and it's hanging but ...
1
vote
3answers
229 views

1998 Honda Accord V6 - Rough Idle/Stalling

My daughters accord idles really rough after driving it for about 10 minutes, but not as you are driving it, only when you stop. Then, when she stops, the car usually shuts off. It normally starts ...
1
vote
2answers
245 views

Air-conditioning intermittent failure

I drive a 2007 model Skoda Fabia 1.4Ltr mpl. My air conditioning trips off after driving for 5minute. Hardly stays on during traffic. Fan still rolls but cooling stops. Also noticed it tries staying ...
0
votes
0answers
13 views

Air conditioning trips off [duplicate]

My air conditioning trips off after driving for 5 minutes, and it hardly stays on in traffic conditions. The fan keeps rotates but cooling stops. When I increase the fan speed and am driving at high ...
3
votes
1answer
387 views

Opel Corsa D engine issue?

I have a 2011 1.4 petrol Corsa D. When accelerating the car lurches. This doesn't happen all the time and is seemingly random. It may happen when I accelerate from 60 on the motorway back to 70 or 30 ...
5
votes
1answer
187 views

Yamaha FZS Ver- 2.0 Engine Seizure

I gave my bike (Yamaha FZS ver 2.0) to an authorized service center for it's first-time service. The mechanic didn't fit the drainbolt (which is under the engine) properly causing the engine oil to ...
2
votes
1answer
80 views

How extend a drilled hole

How do I extend/make a hole oval? It is in a rectangular beam (6 cm) and needs to be extended 5mm in one direction. When mounting a tow bar, I discovered that some holes in the tow bar are not ...
5
votes
2answers
129 views

Ford radio unlocking

I have a Ford Ka and need to re-enter the code. I have removed the radio and have the code (some nice person wrote it on the top of the radio) but I cannot get the "Locked" message off the screen on ...
1
vote
1answer
228 views

2005 Toyota Avalon how to reactivate vehicle's ECU

2005 Toyota Avalon FOB stopped working, have a replacement. Now believe accidentally deactivated vehicle's ECU by turning ignition on/off 5 times during process of adding new FOB. So now, how can I ...
1
vote
0answers
84 views

Where is the alarm siren located in a Ford Ka 2010?

I have a Ford Ka 2010 and the alarm siren stopped sounding. The problem doesn't look related to the alarm central unit. The lights still flash and you can hear the relay clicking sound coming from ...
2
votes
1answer
72 views

Astra G 2.2 - Electrical Issue

I have an Astra G 2.2. It was working just fine, no issues. Recently passed MOT with no advisories or issues. Today I topped up the oil and replaced the overhead interior bulbs with LEDs. They ...
4
votes
2answers
339 views

I accidentally kept my vehicle Choke ON while riding?

I have Honda Dio 2015 Model. Yesterday, I kept the Choke ON while riding. I wanted to know what are the damages it probably causes to the engine? Does it have any after effects on the engine?
1
vote
0answers
50 views

Would “one cylinder's out” semantics include a head gasket? [closed]

I sold a car on craigslist with part of the title being "Runs, but one cylinder's out". I had taken the car to Firestone to diagnose why one cylinder wasn't firing right and they said it has 0% ...
4
votes
2answers
642 views

Mixing brands of DOT4 brake fluid

I have changed my DOT3 brake fluid to DOT4 brake fluid. Will it hurt to mix DOT4 fluid with another brand of DOT4 fluid?
2
votes
1answer
140 views

What is a “confidential vehicle identification” number?

What is the "confidential vehicle identification" number? What cars bear that and where is it located?
3
votes
1answer
161 views

Are 'voltage stabilizers' a scam?

I have a 2002 Saturn SC2. I was told that adding a voltage stabilizer could improve its performance. Is this true? The units appear to simply be some capacitors hooked up between the battery ...
2
votes
1answer
210 views

Current from key to solenoid of starter motor relay

I am considering installing a starter motor immobilizing relay inline with the starter setting of the key and starter solenoid. I recently got a MAH-112-C-4 online. It has a 30A switching ...
4
votes
1answer
140 views

How to improve suspension on my bike TVS Star City 110 CC 2012 Model

I ride a TVS Star City 110 CC 2012 Model bike weighing 109 Kgs. I am feeling uncomfortable with the bike suspension. When I checked with my mechanic, he said it is fine. I can feel it is jumping even ...
2
votes
1answer
39 views

Derbi Cafe 125 stalling when changing to 1st

I have a Derbi Cafe 125. This morning I started the bike up, let it run for a few minutes, changed from N to 1st, and the bike cut out. This happens repeatedly until I walked to work. I then realized ...
1
vote
1answer
90 views

Which car is this?

Can anybody help me to identify the year, make and model of this car?
2
votes
2answers
84 views

Brakes pads changes and cutting rotors

My brakes started vibrating occasionally when slowing down on highways at high speeds. I have been realizing that the brakes feel low. I went to a shop for an oil change and the mechanic peeked in ...
5
votes
2answers
900 views

Do power steering hoses just burst randomly or is it usually caused by installation error?

Power steering pump went out 10 months ago. Took it to Pep Boys where they replaced it. Today, while driving, the power steering goes out again.... It was explained to me at Pep Boys that the power ...
4
votes
2answers
112 views

Lost torque on my Yamaha XVS650

I have a Yamaha DragStar 650 1999. I have a Highway Hawk exhaust and I removed the baffles. Now the exhaust is completely open. When the engine is cold I can start it only if I pull the acceleration ...
1
vote
3answers
230 views

Does downshifting ( Engine Braking ) help when my car brakes CAN lock the wheel?

Know facts: When your car brakes (e.g. because of the weight) can't stop the car, it's recommended to use downshift (engine braking) to help brake the car. The best way to stop the car is to brake ...
3
votes
1answer
122 views

Cannot get Kubota tractor engine to fire

I have a Kubota T2080 lawn tractor. It has a basic 2-cylinder gasoline naturally aspirated engine. I let it sit last winter and now that it's the spring, I cannot get the engine to fire. The electric ...
5
votes
2answers
613 views

Petrol vehicles, what are the advantages and disadvantages of a turbo charger?

Diesel vehicle often use turbo chargers. Petrol vehicles frequently do not. What are the advantages and disadvantages of using a turbo charger on a petrol engine?
2
votes
1answer
241 views

How much more slowly do synthetic oils degrade compared to conventional oils?

I don't drive my car very often and in the 13 years I've owned it I think I only ever reached the 5000 mile limit once during a long roadtrip; instead I always end up driving only about 2000 miles in ...
0
votes
2answers
528 views

What will cause my Ford Expedition not to start?

I have a 1999 Ford Expedition. I was having trouble with it idling and now it won't start. What can cause this problem? Yesterday I was driving and had to double foot it to keep it idling. Every ...
3
votes
2answers
65 views

Tire rotation to fix low tire pressure?

I took my 2010 Civic to the mechanic. He indicated that the tire pressure is low, and suggested rotating my tires as a fix. I thought tire pressure is already pre-specified and should be at a ...

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