When a car dealer's service centre said a diesel particulate filter (DPF) problem meant an expensive repair or a full replacement, the owner searched online and asked ChatGPT. They found the filter could simply be cleaned instead, which cost less than half the cheaper quote.
My garage says my [MAKE, MODEL, YEAR, ENGINE] has [PROBLEM OR WARNING] and quoted [REPAIR] for [PRICE] or [ALTERNATIVE] for [PRICE]. The symptoms are [SYMPTOMS] and the mileage is [MILEAGE]. What are the common causes and the cheaper fixes worth asking about (for example cleaning instead of replacing)? What questions should I ask the garage, and when is the expensive option genuinely needed?
Replace the [PLACEHOLDERS] with your own details before you send it.
How to try it
- Write down exactly what the garage said, the symptoms and any warning lights or fault codes.
- Ask ChatGPT for the possible fixes and the questions to ask, then ring the garage or an independent specialist.
- Let a qualified mechanic make the final call, especially on anything to do with brakes, steering or safety.
More money use cases
Spot a wrong charge on a medical bill with ChatGPT
A friend of the poster uploaded her hospital bill to ChatGPT, which picked out an incorrect charge and drafted a dispute letter. The hospital removed the $4,200 charge and marked the account as paid in full.
Here is an itemised bill I've received: [PASTE THE LINE ITEMS, WITH PERSONAL DETAILS REMOVED]. Please 1) explain each line in plain English, 2) flag anything that looks duplicated, unusually priced or inconsistent with [WHAT I WAS ACTUALLY TREATED FOR], and 3) draft a polite letter asking the billing department to review the items you've flagged and send a corrected bill.
Get your broadband bill lowered with ChatGPT
One customer used ChatGPT to help lower his internet bill and came away with $15 a month off and a one-off $25 credit.
I pay [PROVIDER] [MONTHLY PRICE] for [SPEED/PACKAGE] and I've been a customer for [TIME]. Competitors near me offer [DEALS]. Write me a short, friendly phone script to ask for a better deal, including what to say if they first say no, and a line asking for a one-off credit for [ANY PROBLEM, E.G. OUTAGES].
Find out why your electricity bill jumped with Claude
Puzzled by unusually high electricity bills, a Hacker News user downloaded their 15-minute usage data from the supplier, told Claude what appliances the household had and when they're used, and had it build a simple dashboard. They say it helped pin down the problem and showed ways to cut the bills further.
I've attached my electricity usage data from [SUPPLIER] for [PERIOD]. At home we have [APPLIANCES, E.G. WASHER-DRYER, ELECTRIC CAR, HEAT PUMP], usually used [WHEN]. We're on [TARIFF]. Look for patterns: when usage spikes, what's on overnight, and what's changed recently. Tell me the most likely causes and the three changes that would save the most.
Reference: X @basrasahab