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Questions tagged [timing]

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12
votes
3answers
4k views

Strange noise from timing belt area

I just changed the timing belt and water pump on my 98 Mazda 626. After I got everything reassembled I started up the engine. I had been running the engine for a few minutes, revved it up to around ...
7
votes
2answers
329 views

How much can sub-optimal octane affect efficiency or power?

Suppose a production fuel-injected engine is tuned for 93 octane fuel. As I understand it, the engine can still run on lower-octane (i.e., less knock-resistant) fuel, but it will pull timing to avoid ...
8
votes
1answer
11k views

Acceptable amount of slack in a timing chain with high mileage?

1995 Chevy S-10 Blazer - 4.3 L Vortec V6 (vin W with PCM) - 230,000 miles original owner. FWIW, this model car/engine does not have timing chain inspection and/or changing as part of the routine ...
4
votes
2answers
19k views

95 Honda civic timing marks

I have a 95 Honda civic with a D16Z6 engine. I was trying to check the timing on the car, and wanted to get the engine to TDC. There were a few marks on the cam gear. There was no up pointing arrow, ...
5
votes
2answers
6k views

Diesel engine timing?

A petrol engine can fire the spark plugs slightly earlier or later to account for factors like revolution speed and engine temperature. However a diesel only fires when the mixture is compressed. ...
4
votes
0answers
483 views

Timing chain cover gasket

I posted a few weeks ago about cooolant leaking from the timing chain cover of my 2002 Corolla: Corolla - Coolant leaking from timing chain cover I went ahead and started to do job: removing the ...
0
votes
0answers
39 views

Wiring an advancer to an ignition coil

An image for reference: Ignition Coil Leftmost (1 pin) Advancer second from left (1 pin) Gearbox second from right (4 pin) Battery Rightmost (4 pin, Positive, negative and a loopback) I have ...