Miss fire and cracked throttle body

[Jose Samaniego]

Hey I’m new to this and I just wanted to ask what I should get first to try to fix my 5.4 expy.should I get new spark plugs first and then get the throttle body when I have more money or should the throttle body be my main priority?
It has over 230,000 miles and it is my first vehicle.

 

[Boostedbus]

If the throttle body is cracked then I’d for sure replace it first. You already know that’s a broken part. Do you even know how many miles are on the plugs? Welcome to the forum.

 

[Hamfisted]

What year is your Expy ? Where is the TB cracked ? Pics ?

 

[RichardH]

Yes, pics would help a ton, and I would trust Ham's (plus other's) recommendations. They do appear very knowledgeable and willing to assist with a 'cure'.

 

[Jose Samaniego]

I can’t get a pic because my brother is driving it but the crack is on the bottom right and I don’t know how many miles on the spark plug but probably a lot because it was my brothers but he never did any maintenance on it unless we reminded him

 

[RichardH]

Jose. What part of TX? I know a great indy shop I have used for 5 years. Let me know if you are close to Houston, just in case you need a shop to review.

Jeez - this shop knocked out a strut replacement in 15 minutes for another client's car. And they have great rates.

 

[Jeff G]

If you are mechanically inclined and money is an issue, spark plugs are only 40 bucks if you replace them yourself. You could then get a decent throttle body from a salvage yard for under 30 dollars and clean it and install it. Unfortunately with the 5.4, if you pay someone else to do it it gets expensive quickly.

 

[Boostedbus]

Hopefully the throttle body hasn’t been ingesting dirty air through the crack into the engine. Is it a hairline crack or a open crack/chip in the body?

 

[Jose Samaniego]

It is a open crack I’ll try to look for a throttle body at a salvage yard and If I can’t find one I’ll try to get a new one but thanks for everybody’s help

 

[Boostedbus]

It is a open crack I’ll try to look for a throttle body at a salvage yard and If I can’t find one I’ll try to get a new one but thanks for everybody’s help

That for sure will be $$ well spent as long as the engine still has life left in it. Does it smoke bad and use a lot of oil? If it been ingesting a lot of dirt then unfortunately it might be time for a good used engine.