Had my VX for sale. Dropped the price down to 11500. Got 3 people interested. 2 days later engine is knocking hard. Took it to isuzu dealership. said they cant fix it. needs a new engine. they charge $7400 for used engine w/ 45K miles on it installed. I dont know what tod o. Ive had it for less than 10 months and now i have nothing. What would you do. What can i do. PLEASE HELP!