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[TheBoy]

scenario1 (real) : car misfires from time to time and looses power.. lpg installer says not related to them, sends to mechanic , mechanic says , change ignition components , you change the parts and problem continues   back to lpg installers they change injector set.. no problem visible for sometime and then.. problem continues back to mechanic .. cant find anything.. then some friend finds the problem with the sockets and finally all sockets changed with soldering them..
 
2 months later
 
scenario 2(real) : car looses power at high rpms, after several visits to several shops problem was found to be alternator..
 
just an example

Poor diagnosis, unrelated to LPG. Generally, LPG faults are easy to isolate - run it on petrol.

[Lazydocker]

Scenario 1: poor workmanship from the initial installer.

Scenario 2: Alternators are a "consumable" item (to some degree) so fair wear and tear? How old and how many miles had it done?

[cem_devecioglu]

Scenario 1: poor workmanship from the initial installer.

Scenario 2: Alternators are a "consumable" item (to some degree) so fair wear and tear? How old and how many miles had it done?

it was a 2006 mondeo with 70K kms on the clock

[cem_devecioglu]

scenario1 (real) : car misfires from time to time and looses power.. lpg installer says not related to them, sends to mechanic , mechanic says , change ignition components , you change the parts and problem continues   back to lpg installers they change injector set.. no problem visible for sometime and then.. problem continues back to mechanic .. cant find anything.. then some friend finds the problem with the sockets and finally all sockets changed with soldering them..
 
2 months later
 
scenario 2(real) : car looses power at high rpms, after several visits to several shops problem was found to be alternator..
 
just an example

Poor diagnosis, unrelated to LPG. Generally, LPG faults are easy to isolate - run it on petrol.

it took 3 months for us to sort

[Lazydocker]

Scenario 1: poor workmanship from the initial installer.

Scenario 2: Alternators are a "consumable" item (to some degree) so fair wear and tear? How old and how many miles had it done?

it was a 2006 mondeo with 70K kms on the clock

About right for a Ford alternator IME

[TheBoy]

it took 3 months for us to sort

Intermittent faults can be a pain, but thats not specific to LPG. As said, LPG faults are normally easy to isolate/prove

[cem_devecioglu]

Scenario 1: poor workmanship from the initial installer.

Scenario 2: Alternators are a "consumable" item (to some degree) so fair wear and tear? How old and how many miles had it done?

it was a 2006 mondeo with 70K kms on the clock

About right for a Ford alternator IME

yep.. very common (we learned after some search on the net) 

[cem_devecioglu]

it took 3 months for us to sort

Intermittent faults can be a pain, but thats not specific to LPG. As said, LPG faults are normally easy to isolate/prove

LPG installers in big cities are so crowded that if you are not competent yourself , you are in trouble.. they generally dont give you interest.. they install it , take the money and after forget you!

[TheBoy]

it took 3 months for us to sort

Intermittent faults can be a pain, but thats not specific to LPG. As said, LPG faults are normally easy to isolate/prove

LPG installers in big cities are so crowded that if you are not competent yourself , you are in trouble.. they generally dont give you interest.. they install it , take the money and after forget you!

Even so, still usually easy to isolate. Run it on petrol.

[Lazydocker]

Scenario 1: poor workmanship from the initial installer.

Scenario 2: Alternators are a "consumable" item (to some degree) so fair wear and tear? How old and how many miles had it done?

it was a 2006 mondeo with 70K kms on the clock

About right for a Ford alternator IME

yep.. very common (we learned after some search on the net)

So you agree that it was nothing to do with the LPG then?

[cem_devecioglu]

Scenario 1: poor workmanship from the initial installer.

Scenario 2: Alternators are a "consumable" item (to some degree) so fair wear and tear? How old and how many miles had it done?

it was a 2006 mondeo with 70K kms on the clock

About right for a Ford alternator IME

yep.. very common (we learned after some search on the net)

So you agree that it was nothing to do with the LPG then?

yep.. but when there is LPG installed the car becomes more sensitive to electrical problems.. besides most shops cant isolate the problem 

[Lazydocker]

yep.. but when there is LPG installed the car becomes more sensitive to electrical problems.. besides most shops cant isolate the problem 

Only HT problems

[TheBoy]

but when there is LPG installed the car becomes more sensitive to electrical problems.. besides most shops cant isolate the problem 

How so?

[cem_devecioglu]

but when there is LPG installed the car becomes more sensitive to electrical problems.. besides most shops cant isolate the problem 

How so?

as in our case.. 

[tunnie]

Don't agree how/why LPG running is more likely to cause electrical issues.

As long as its been wired in correctly, its just replacing petrol with gas. If there is a engine running fault, turn off gas. If it remains, you know its not LPG, if it goes away then you have an LPG fault. Easy to diagnose, but then again most garages appear to struggle with the basics! 

Only possible issue is you use spark plugs quicker, as LPG requires stronger spark. In turn the coil pack / dis pack would have to work harder.

But number of us run LPG without issues