Questions about troubleshooting and solving rough idle problems

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5
votes
2answers
9k 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 ...
4
votes
2answers
109 views

What is an acceptable amount of up/down play in a distributor shaft?

1995 Chevy S-10 Blazer - 4.3 L Vortec V6 (vin W with PCM) - This is the distributor style with vertical cap posts. 230,000 miles original owner. EDIT: Please click on link below to see a photo ...
2
votes
0answers
59 views

Performing a Cylinder Power Balance Test

In the course of trying to diagnose a hot weather rough idle / stalling problem ( which doesn't occur in winter weather ) on my 97 Mazda 323 I performed a cylinder power balance test eye balling the ...
2
votes
1answer
4k 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 ...