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Questions tagged [timing]

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1answer
21 views

Does my 1995 Cadillac incorporate ECM

I own a 1995 Cadillac. Does it incorporate a module that adjusts ignition timing for octane?--At what interval?
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0answers
52 views

Timing marks way off

1995 Nissan 6cyl. 3.0 Tried to get truck smogged. Did not pass timing test as the marks on the flywheel were not even in site. The truck runs great, you can hardly feel the idle. nice and smooth, ...
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1answer
40 views

2002 Chrysler Voyager 2.4 L stopped running

I replaced the water pump, timing belt, timing idler pulley and tensioner pulley and all the belt on an 2002 Chrysler Voyager 2.4L (interference motor). It ran great for few day until a few days ago ...
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2answers
37 views

Setting distributor correctly

I just got my engine back from the rebuilders. 1965 Pontiac 389 They have crank timing Mark at tdc on the front pulley. The distributor is not installed. The problem is that I don't know if piston 1 ...
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0answers
1k views

Coleman ct100u engine, no start

Verified igniton system is good, cleaned and gapped plug. The engine is is essentially pushing out gas from the carb side and not wanting to start, I don’t know what else to add I’m not really ...
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1answer
60 views

Kia Spectra 2008 LX timing belt

This car's maintenance history says it was serviced by Kia dealer at 70K in 2015. All other belts look new. When i opened the timing cover, belt looks like attached picture. Now it has 104K. Confused ...
12
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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 ...
3
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4answers
5k views

Timing belt changed, won't start

I just did the timing belt change in a Honda 2007 V6 Accord. I thought I aligned the belt, but I guess I didn't. Now it won't cranks but won't start. How do I fix the timing issue? mark on Crank is ...
3
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1answer
32 views

Timing belt specification

I'm looking for the timing belt specification for my 1999 Subaru Legacy Outback. I need the number of teeth that are supposed to be between each mark, as my (replacement) belt came without the white ...
2
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1answer
20 views

2002 Saturn V6 L300 installing a timing belt

How many revolutions are required to hand crank a timing belt from Top Dead Center to Top Dead Center?
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0answers
23 views

Pull start fuel injected motorcycle/car injured or not?

A lot of time I heard from some people that pull start fuel injected motorcycle or car injured engine by shifting the time of engine or confuse EMS(Engine Management System computer) because tires ...
1
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0answers
21 views

Obnoxious squealing when starting truck and when accelerating from a stop

My 2000 Mitsubishi Montero Sport LS 4x4 has been making a nasty squeal when starting it and when I accelerate from a stop. I'm not sure exactly what is causing it. The water pump, timing belt, and ...
1
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1answer
19 views

How to time a 2001 Saturn 2.2liter DOHC?

I had a weird problem. Drove the car two minutes up the street to a gas station to get air in the tires. It is literally two minutes. Car ran fine. No problem. I shut it off. Got out to pump the tires....
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0answers
24 views

Optimizing temperature and spark for horsepower

I recently completed a heads+cam project on my car to increase horsepower. I ended up falling about 50hp short of my goal, and am looking for every little knob I can turn to eek out that last little ...
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0answers
73 views

09 Citi golf 1.4i timing jumps around

I checked my timing but its not stable when i check it with the timing light, the v-notch is mark is jumping , a little bit in front of the mark then on the mark and then after the mark and carry on ...
4
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2answers
10k views

how to determine TDC after bottom end rebuild

here is my question, i want to know how to find TDC on compression stroke, the only problem is how do you find it without the cams or valves(they would have been taken off and then put on again ...
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0answers
44 views

Making a Poor Man's Water Injection System

I was just reading this article on water injection systems and they made an interesting comment: Note that it has been suggested in some circles that the water can be directly added to the petrol ...
2
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3answers
13k views

How do I determine if I am on 1 or 6 at TDC?

The crank has been turned since the timing gears were installed. The distributor is out of the engine. I still have to put the push rods in. How do I determine if I am on 1 or 6 at TDC?
3
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1answer
217 views

Does the number of teeth on a reluctor wheel matter? (crank position)

A little background: I have a project car with an EFI system from 1985 where TDC is (apparently) measured by a little gear in the distributor. I'm slowly switching over to an aftermarket ECU that ...
1
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1answer
432 views

Timing chain issue

I'm working on a 2002 Ford Explorer XLT 4.0 2WD 6cyc SOHC gas And I just so happened to break the chain tensioner, yup. You heard it right. As if I didn't hit enough stripped bolts along the way. The ...
5
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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. ...
2
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1answer
6k views

When to replace the timing belt on a 2015 VW Golf TDI

I own a VW Golf TDI 1.6 Mk7 (2015) Odometer: 82,000KM. I would like to know at what Odometer reading should I change the timing belt/chain.
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0answers
954 views

What is normal timing advance as seen from my ECU via OBD2?

I am looking for help with my timing advance. I have just got the Torque app and am reading the data from my Ford Fiesta WS Petrol 1.6L 2010 model. This is the graph here. As you can see, RPM is ...
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2answers
98 views

Did my mechanic break my car?

I recently brought my car in for a 175k recommended maintenance (oil change) and when about to drive out of the dealer i heard a loud knocking sound from the engine. I asked them to keep the car and ...
3
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2answers
3k views

1600cc VW Aircooled Engine Backfires with no power when hot

I'm working on a custom built trike based on a 1600cc Air-cooled VW engine. I'm a specialist auto-electrician and these engines are a bit before my time so I'm struggling to work out what is wrong. ...
4
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1answer
294 views

98 Mazda 626 GF 2L ATX zero ignition timing at idle?

My 1998 Mazda 626 GF 2L ATX has zero ignition timing at idle when fully warmed up causing a rough idle condition. I've replaced the faulty O2 sensor with no effect on the retarded timing and replaced ...
1
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0answers
52 views

New plugs, but problems starting (not firing on all cylinders) and poor fuel economy?

Car is a '93 Mk1 VW Cabriolet, 1.8lt injected. The car has had trouble starting - feels like only some of the cylinders are firing. If I rev the engine a little the problem goes away after a few ...
1
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3answers
4k views

Why would a PCM / ECU retard timing at idle?

I'd like to understand better the reasons that a PCM / ECU would decide to retard timing at idle. I'm aware of the following: knock noise similar to knocking picked up by the sensor a defective ...
1
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0answers
566 views

Peugeot 207 gti depollution fault

Car starts rough but runs fine ,no loss of power. check engine light on and depollution system faulty on dash. Local garage scanned car and came up with camshaft sensor fault but they think timing ...
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0answers
350 views

2005 Chevy Classic (malibu) with loose timing chain/broken guide?

Heard a knocking noise I feared was rodknock. Took it to the mechanic and they spent an hour looking at it and said the timing chain is loose and the guide is broken and separated from the bracket. ...
3
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2answers
534 views

2011 f150 ecoboost timing chain and valve train

Looking to find the book rate for how many hours labour to change full timing set including vct's, chains and intake cams 3.5l ecoboost
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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 ...
8
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1answer
408 views

Why are these paint dots under the timing belt cover not consistent?

I am about midway done with changing the timing belt & water pump on my 1999 Toyota, which features a 6-cylinder 5VZ-FE engine. After getting the front timing cover off, I discovered that there ...
2
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2answers
488 views

Motorcycle: fuel and spark but no ignition?

I inherited a '79 Yamaha XS400 (2 cylinder, 4 stroke, air cooled, SOHC, duel carburetors). The timing chain had broken so I replaced it, setting the timing at the same time. I cannot start it. The ...
2
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1answer
24 views

1992 Fox Body 5.0

My son has a 92 Fox Body Mustang with the 5.0 Ford engine. We’re having problems setting the timing. The timing marks for coming up underneath the car rather than on the timing gage. We pulled the ...
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1answer
286 views

What's the best approach to install new Timing Belt that's 1/2 a tooth off

Sherpa 1979 17v "o series" engine petrol 1700 Hi, Sometime back I replaced a new timing belt. Timing marks were lined up accurately only to find that the belt was 1/2 a tooth out. I figured this ...
2
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0answers
355 views

Slipped timing belt. Can hard cranking an engine with cam timing way off likely cause valve damage?

I have a 1979 Austin Sherpa with an "O Series" 1700 petrol engine. Engine was running great before I replaced exhaust/inlet manifold and an SU Carb. Then it just wouldn't start. The engine was ...
0
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2answers
665 views

Oil Leak at Upper Timing Cover BMW X5 2008

I have a 2008 BMW X5 4.8i (V8 engine) with 85,000 miles. The car runs well, and it had no check engine light when we handed over the keys. I just took it to get it serviced at a BMW specialist ...
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0answers
64 views

2007 MX-5 - Motor will not turn fully after timing change replacement

I recently replaced my timing chain, tensioners, guides, waterpump, etc. I felt like I followed the instructions properly. When I attempted to start the car once complete the engine would not turn ...
1
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1answer
65 views

proper time for changing timing belt

Is it recommended to wait until it reaches the recommended mileage before changing the timing belt even if it is already 3 or more years
4
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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, ...
6
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1answer
843 views

High vacuum pressure on idle after timing gear and chain replacement

I just got my 1980 Chrysler LeBaron 318 V8 back from the mechanic, who replaced the timing gears and chain, which were the originals and very worn. Soon after leaving the mechanic, I noticed my ...
4
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2answers
29k views

4 stroke valve timing diagram: if valves are open during TDC, wouldn't they hit the piston?

I am studying valve timing diagrams. Many of them show something like (for instance) the exhaust valve stays opens till ~20 degrees after TDC and the intake valve opens ~12 degrees before TDC. Wouldn'...
1
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1answer
407 views

How is the timing belt changed on vehicles with no timing marks?

My mechanic was changing the timing on 2010 Hyundai Verna which has a 1.6 DOHC, the timing belt is attached to one cam gear and those cams are connected by a chain from the other end. While an ...
4
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1answer
352 views

1997 Infiniti J30 is sometimes very slow to get power after a full stop, otherwise fine

My 1997 Infiniti J30 is sometimes very slow to get any power when I start going from a full stop. I can put the pedal to the floor, and it will slowly creep forward for 3-5 seconds, then suddenly ...
1
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1answer
516 views

2004 Kia Sedona 160000 miles Timing Belt Replacement

I have a 2004 Kia Sedona LX with 160000 miles on it. I am going to be changing out the Timing Belt. It will be the Car's second one. What do you recommend I replace while I am inside? Water Pump? ...
1
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1answer
128 views

Timing issues in a MK 3 Volkswagen golf

My friend has a MK 2 Volkswagen golf with a MK 3 2.0L SOHC engine swapped in it and it runs of a charge distributor. He complains about having timing issues after a mechanic twisted his charge ...
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0answers
1k views

Adjusting the timing of a distributorless Toyota 4E-FE engine

I have a 1998 Toyota Corolla complete with a 1.3 4E-FE engine. As far as I can tell this is the 2nd generation 4E-FE engine with a distributorless set up. I'm in the process of modifying the car as ...
0
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1answer
41 views

Do ignition coils on small motors (lawn mowers etc) determine timing?

I have a Stihl weed whacker for which I haven't been able to find an appropriate ignition module (coil). I purchased one for a similar model that would fit and now the whacker has spark again, however ...
2
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0answers
67 views

Spark timing advances as engine gets hot

I bought a timing light to check my spark timing; my vehicle is a 93' Mazda Miata and I am rotating the Cam Angle Sensor to advance or retard my timing. When I first used my timing light the engine ...