Questions about troubleshooting and solving rough idle problems

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2
votes
1answer
269 views

engine vibration under load

My 2009 Camry is doing the same thing, I put new motor mounts on, loosened them and re-tightened them and also cleaned the throttle body. Still have vibration coming from the engine. I have been told ...
5
votes
2answers
10k views

2000 Ford Focus, low idle, stalling at lights, white smoke from exhaust - P0171 Code - problem?

I have a couple of issues which I hope are all related. The car is a petrol Ford Focus 2000 1.8. Seems to be listed as LX, but the engine is Zetec. When stationary, the idle is quite jumpy, and the ...
3
votes
1answer
1k views

Small two-stroke engine runs poor

I have a borrowed cultivator (Echo TC-2100), and having hard time running it. It looks fairly new, and in good condition, but was possibly poorly stored and was not winterized. At first I could not ...
4
votes
3answers
3k views

Engine idles badly and loudly when I switch on the A/C

The engine of my 1984 Toyota Carina AA60 works great when idling without the air conditioner running, but immediately after switching it on, it idles very badly, and a big noise starts up. If I move ...
1
vote
2answers
248 views

Vibrates in Idle

I have a 1999 RAV4 with 120,000 that's vibrating at Stops when in Drive, but not when in Neutral. Would it help long term if I used Neutral when stopped? OR should I start looking for another car? ...
0
votes
1answer
559 views

when i start my 1500 dodge ram rpm goes up and down in morning

When I start my Dodge Ram 1500 in the morning, the RPM goes up and down for about 4 times from 1000 to 2000 and it sounds like the truck is gonna shut off. It also has a check engine light on. Just ...
2
votes
1answer
418 views

1975 Honda XL 250 has erratic idle / high idle when it's cold out

As stated, I have a 1975 Honda XL 250. It has a 1 cylinder 250cc ~24hp carbureted engine. The problem I'm running into is an inconsistent idle. In general it seems to have a low idle (what I want it ...
4
votes
2answers
1k views

Ford Escape 2002 idling rough in cold weather

Last week my 2002 Ford Escape started idling rough when the temperature was in the 30-40°F (-1°C to 4°C) range. It also seemed to have trouble shifting or something at 40-45 mph. I'd describe it as a ...
2
votes
1answer
576 views

1993 Mustang dies at idle in extremely cold weather

So we've had some mornings dipping down below 5deg F recently here in WI. The good: my stripped-down 1993 Mustang starts, can run, and drives just fine in this weather. This is the 2.3L N/A, with an ...
1
vote
2answers
335 views

Toyota manual transmission problem

I took my 2003 Toyota Matrix in to the dealership for service. It has 105,000 miles - the oxygen sensor needed replacing, but no other issues found. Now I feel as though I need to shift to a higher ...
4
votes
1answer
2k views

2003 Yukon XL 1500 5.3L Very rough, unstable idle on cold starts

When I say rough I mean like bad 70s carbureted motor rough. I've never seen an injected motor this rough during warm up. On the coldest days, it can even die out on me. The problem has only popped up ...
4
votes
1answer
2k views

'98 Camry has occasional rough running / low speed idle problem

My '98 Camry (with the four-cylinder engine) usually starts, idles and drives like a dream. About a year ago I had the entire exhaust system replaced (including cat) due to corrosion. Since then it's ...
1
vote
2answers
1k views

Vehicle sputters on cold start on cold mornings

I have a 1998 Ford Explorer with really low miles (< 30,000 miles; classic "little old lady who only drove it to the grocery store once a week" type vehicle). The first time I start it on cold ...
4
votes
2answers
849 views

1998 Ford Ranger surges when idling

What should I be looking at to diagnose my Ford Ranger which surges when stopped? This typically only happens while the vehicle is warming up. After that, it's fine.
1
vote
2answers
69 views

2001 Saturn L-200 replacing one tire

So, today I was driving and all of the sudden my front passenger tire blew out. I pull over to find out that I ran over some piece of metal and the tire is torn unrepairable. Luckily there was a tires ...
2
votes
1answer
5k views

Why is my car hesitating to accelerate only when I first start my car?

I've got a 1999 toyota corolla with over 170K miles, and I've had my fair share of problems over the years. Currently, I have this problem that my car seems to hesitate accelerating when I first ...
1
vote
1answer
1k views

BMW E30 uneven idle especially when cold

My '90 E30 with the six cylinder M20 engine idles unevenly, especially when the engine is cold. A local mechanic said the mixture seems to be too fat but had no concrete solution saying I have to live ...
2
votes
2answers
351 views

1991 Bonneville Idles Poorly When Stopped

Recently my '91 Bonneville has been having an issue with idling while stopped, which may or may not have coincided with Service Engine Soon light turning on. The main symptom is an overall drop in the ...